Generator
OWNER’S MANUAL
EF6300iSDE
PLEASE READ AND UNDERSTAND THIS MANUAL
COMPLETELY BEFORE OPERATING THE MACHINE.
LIT-19626-01-52
7CK-28199-10
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AE00002
INTRODUCTION
Congratulations on your purchase of your new Yamaha.
This manual will provide you with a good basic understanding of the operation and
maintenance of this machine.
If you have any questions regarding the operation or maintenance of your machine,
please consult a Yamaha dealer.
AE00022
EF6300iSDE
OWNER’S MANUAL
© 2008 by Yamaha Motor Corporation, U.S.A.
1st Edition, September 2008
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Corporation, U.S.A.
is expressly prohibited.
Printed in Japan
P/N LIT-19626-01-52
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IMPOTANT MANUAL INFORMATION
AE00032
Particularly important information is distin-
guished in this manual by the following
notations.
w
PLEASE READ AND UNDERSTAND
THIS MANUAL COMPLETELY BEFORE
OPERATING THE MACHINE.
-
The Safety Alert Symbol means ATTEN-
TION! BECOME ALERT! YOUR SAFETY
IS INVOLVED!
NOTE:
9 Yamaha continually seeks advance-
ments in product design and quality.
Therefore, while this manual contains
the most current product information
available at the time of printing, there
may be minor discrepancies between
your engine and this manual. If there
is any question concerning this manu-
al, please consult a Yamaha dealer.
9 This manual should be considered a
permanent part of this engine and
should remain with this engine when
resold.
w
Failure to follow WARNING instructions
could result in severe injury or death to
the engine operator, a bystander or a per-
son inspecting or repairing the engine.
cC
A CAUTION indicates special precautions
that must be taken to avoid damage to the
engine.
NOTE:
A NOTE provides key information to make
procedures easier or clearer.
* Product and specifications are subject to
change without notice.
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AE00041
CONTENTS
SAFETY INFORMATION ........................1
EXHAUST FUMES ARE
Starting the engine .............................18
Stopping the engine............................20
Connection .........................................21
Application range................................23
PERIODIC MAINTENANCE..................25
Maintenance chart..............................25
Spark plug inspection .........................27
Carburetor adjustment........................28
Engine oil replacement.......................28
Air filter ...............................................29
Muffler screen and spark arrester.......31
Fuel tank filter.....................................33
Battery ................................................34
Recommended battery .......................34
Fuse replacement...............................35
G.F.C.I. receptacle test.......................36
STORAGE .............................................37
Drain the fuel ......................................37
Engine ................................................39
Battery ................................................40
TROUBLESHOOTING ..........................42
Engine won’t start...............................42
Generator won’t produce power .........43
SPECIFICATIONS.................................45
Dimensions.........................................45
Engine ................................................45
Generator ...........................................45
Battery ................................................45
CONSUMER INFORMATION................46
Identification number records .............46
Machine identification.........................46
LIMITED WARRANTY (EF- AND
POISONOUS........................................1
FUEL IS HIGHLY FLAMMABLE AND
POISONOUS........................................1
ENGINE AND MUFFLER MAY BE
HOT......................................................1
ELECTRIC SHOCK PREVENTION......2
CONNECTION NOTES........................3
CONNECTION .....................................3
EXTENSION CORD NOTES................3
LOCATION OF IMPORTANT
LABELS...................................................4
DESCRIPTION ........................................6
Control Panel........................................6
CONTROL FUNCTION............................7
Engine switch .......................................7
Oil warning light (red) ...........................7
AC protector .........................................8
Economy control switch........................8
G.F.C.I. receptacle ...............................9
Voltage select switch............................9
Hour meter..........................................10
Power meter .......................................10
AC pilot light (green)...........................10
Overload indicator light (red) ..............11
Fuel tank cap......................................11
Fuel cock knob ...................................12
Ground (Earth) terminal......................12
Caster lock lever.................................12
PREPARATION.....................................13
Fuel.....................................................13
Engine oil............................................14
Battery preparation.............................15
PRE-OPERATION CHECK ...................17
Pre-operation check ...........................17
OPERATION..........................................18
EDL-SERIES) ........................................47
EXHAUST EMISSION CONTROL
SYSTEM AND COMPONENTS .........49
WIRING DIAGRAM ...............................51
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AE00071
SAFETY INFORMATION
AE00072
EXHAUST FUMES ARE POISONOUS
9 Never operate the engine in a closed area or it
may cause unconsciousness and death within a
short time. Operate the engine in a well ventilated
area.
741-7XFa
AE00075
FUEL IS HIGHLY FLAMMABLE AND
POISONOUS
9 Always turn off the engine when refuelling.
9 Never refuel while smoking or in the vicinity of an
open flame.
741-7XFb
9 Take care not to spill any fuel on the engine or
muffler when refueling.
9 If you swallow any fuel, inhale fuel vapor, or allow
any to get in your eye(s), see your doctor immedi-
ately. If any fuel spills on your skin or clothing,
immediately wash with soap and water and
change your clothes.
741-7XFc
9 When operating or transporting the machine, be
sure it is kept upright. If it tilts, fuel may leak from
the carburetor or fuel tank.
741-7XFd
AE00843
ENGINE AND MUFFLER MAY BE HOT
9 Place the machine in a place where pedestrians
or children are not likely to touch the machine.
741-7XFe
9 Avoid placing any flammable materials near the
exhaust outlet during operation.
741-7XFf
– 1 –
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9 Keep the machine at least 1 m (3 ft) from buildings
a
or other equipment, or the engine may overheat.
a 1 m (3 ft)
741-7XFg
9 Avoid operating the engine with a dust cover.
741-7XFh
9 Be sure to carry the generator only by its carrying
handles 1.
1
1
1
794-7CK
AE00083
ELECTRIC SHOCK PREVENTION
9 Never operate the engine in rain or snow.
741-7XFi
9 Never touch the machine with wet hands or elec-
trical shock will occur.
741-7XFj
– 2 –
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9 Connect the ground lead of the machine to the
ground (earth) terminal 1 and connect the end to
the ground electrode buried in the ground.
1
763-7CKa
AE00088
CONNECTION NOTES
9 Avoid connecting the generator to commercial
power outlet.
9 Avoid connecting the generator in parallel with any
other generator.
1
2
1
2
1 Correct
2 Incorrect
AE00091
CONNECTION
w
Before the generator can be connected to a build-
ing’s electrical system, a licensed electrician must
install an isolation (transfer) switch in the build-
ing’s main fuse box. The switch is the connection
point for generator power and allows selection of
generator or main line power to the building. This
will prevent the generator from charging the main
power line (backfeeding) when the main power
supply has failed or has been turned off for line
repair. Backfeeding can electrocute or injure line
maintenance personnel. Also, generator and build-
ing electrical system damage can occur when nor-
mal operating power returns if unit is used without
an isolation switch.
741-7XFk
AE00086
EXTENSION CORD NOTES
Extension cords should be protected by a tough flexi-
ble rubber sheath (IEC 245) or the equivalent to with-
stand mechanical stresses.
– 3 –
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AE00062
LOCATION OF IMPORTANT LABELS
Please read the following labels carefully before oper-
ating this machine.
NOTE:
Maintain or replace safety and instruction labels, as
necessary.
3 1 2 7 5
4
6
1
2
DANGER
WARNING
Electrocution or property damage
can occur: Do not connect this
generator to any building’s electrical
system unless an isolation switch
has been installed by a licensed elec-
Using a generator indoors CAN KILL YOU IN MINUTES.
Generator exhaust contains carbon monoxide.
This is a poison you cannot see or smell.
trician. Refer to the owner’s manual.
7XF-2415A-00
NEVER use inside a home Only use OUTSIDE and
or garage, EVEN IF doors far away from windows,
and windows are open.
door, and vents.
– 4 –
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3
q
q
WARNING
AVERTISSEMENT
LISEZ LE MODE D‘EMPLOI ET TOUTES LES ETIQUETTES AVANT DE
FAIRE FONCTIONNER LA MACHINE.
8
8
READ THE OWNER‘S MANUAL AND ALL LABELS BEFORE OPERATING.
ONLY OPERATE IN WELL-VENTILATED AREAS.
EXHAUST GAS CONTAINS POISONOUS CARBON MONOXIDE.
CHECK FOR SPILLED FUEL OR FUEL LEAKS.
STOP ENGINE BEFORE REFUELING.
8
8
FAITES FONCTIONNER UNIQUEMENT DANS DES LIEUX BIEN AERES.
LES GAZ D‘ECHAPPEMENT CONTIENNENT 0U MONOXYDE DE CARBONE.
VERIFIEZ SI DU CARBURANT A ETE RENVERSE DU S‘IL FUIT.
ARRETEZ LE MOTEUR AVANT DE FAIRE LE PLEIN DE CARBURANT.
N‘UTILISEZ PAS A PROXIMITE DE MATERIAUX INFLAMMABLES.
8
8
8
8
8
8
DO NOT OPERATE NEAR FLAMMABLE MATERIALS.
ELECTROCUTION CAN OCCUR IF GENERATOR IS USED IN RAIN,
SNOW, OR NEAR WATER. KEEP THIS UNIT DRY AT ALL TIMES.
IL Y A RISQUE D‘ELECTROCUTION SI LE GENERATEUR FONCTIONNE
SOUS LA PLUIE, DANS LA NEIGE, OU PRES DE L‘EAU. GARDEZ LA
8
8
MACHINE AUSEC EN TOUTES CIRCONSTANCES.
7CF-24162-10
4
6
OIL
HOT EXHAUST
7WL-28176-10
zzzzzz
zz
5
AC output
Rated
Hz
zzzz
VA
q
CAUTION
zzz
V
Phase
Fuel
Single
Gasoline
Use the specified spark plug only.
Specified plug:BPR4ES(NGK)
YAMAHA MOTOR POWERED PRODUCTS CO.,LTD.
MADE IN JAPAN
7CK-24164-10
7
Important Emissions Information
The air index of this engine is 3
(California only)
YAMAHA MOTOR POWERED PRODUCTS CO.,LTD.
This engine meets **** California exhaust and evaporative
emission regulations for small off-road engines.
This engine conforms to Phase 2 U.S.EPA regulations for
small nonroad engines.
0
2
4
6
8
10
MOST CLEAN
LEAST CLEAN
Note:The lower the air index, the less the pollution.
This engine is certified to be emissions compliant
for the following use:
EMISSIONS COMPLIANCE PERIOD : CATEGORY A(EPA)
EF: *YMXS.3572EA
EVAP F: CMYMX23A
DISPLACEMENT: 357cc
EMISSION CONTROL SYSTEM: EM
This engine is certified to operate on unleaded gasoline.
ENGINE OIL: SAE10W-30 TYPE: SE
No other adjustments needed.
MODERATE
(250 HOURS)
Check owner's manual for further details.
INTERMEDIATE
(500 HOURS)
EXTENDED
(1000 HOURS)
X
– 5 –
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DESCRIPTION
AE00102
1
2 3
1
1 Carrying handles (shaded)
2 Fuel tank cap
3 Fuel gauge
4 Muffler
5 Caster lock lever
6 Oil filler cap
7 Oil drain bolt
8 Battery
1
793-7CKa
4
1
8
7 6
5
793-7CKb
AE00103
Control panel
1 Hour meter
1 2
3
4
5
2 Power meter
3 G.F.C.I. receptacle
4 AC protector
5 AC receptacle
6 Engine switch
6
7
7 Fuel cock knob
8 Voltage select switch
9 Ground (Earth) terminal
0 Economy control switch
q Overload indicator light
w AC pilot light
793-7CK
e w q
0
9 8
e Oil warning light
– 6 –
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AE00101
q
CONTROL FUNCTION
AE00121
e
w
Engine switch
The engine switch controls the ignition system.
763-119
1
7
“ON”
Ignition circuit is switched on.
The engine can be started.
2
5
“STOP”
Ignition circuit is switched off.
The engine will not run.
3
6
“START”
Starting circuit is switched on.
The starter motor starts and the engine can be started.
Take your hand off the switch immediately after the
engine starts.
AE00111
Oil warning light (red)
When the oil level falls below the lower level, the oil
warning light comes on and then the engine stops
automatically. Unless you refill with oil, the engine will
not start again.
NOTE:
If the engine stalls or does not start, turn the engine
switch to “START”. If the oil warning light comes on,
the engine oil is insufficient. Add oil and restart.
700-7XF
– 7 –
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AE00134
1
2
3
4
AC protector
The AC protector 1 trips when total amount of the
receptacles 2 loads exceed 20A.
The AC protector 3 trips when the receptacle 4 loads
exceed 30A.
793-7CKe
Press the switches to reset the AC protectors.
2
1
1
2
I
3
“Set”
“Reset”
763-238a
AE00142
Economy control switch
1
2
ECON.SW
1
I
“ON”
When the economy control switch is turned to “ON”,
the economy control unit controls the engine speed
according to the connected load. The results are better
fuel consumption and less noise.
ON
OFF
763-124a
2
3
“OFF”
When the economy control switch is turned to “OFF”,
the engine runs at the rated r/min (3,400 r/min) regard-
less of whether is a load connected or not.
NOTE:
The economy control switch must be turned to “OFF”
when using electric devices that require a large start-
ing current, such as a compressor of a submergible
pump.
– 8 –
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AE00848
q
G.F.C.I. receptacle
RSET
w
EST
TO REDUCE THE CHANCE OF ELECTRICAL
SHOCK:
RSET
9 Do not attempt to operate electric devices if
the ground fault circuit interrupter reset button
pops out repeatedly during use.
w
763-083c
e
9 Test the ground fault circuit interrupter during
the pre-operation checks according to the
maintenance instructions on page 36.
9 Remember that only receptacle labeled “GFCI”
have ground fault circuit interrupter protec-
tion.
763-060
The G.F.C.I. (Ground Fault Circuit Interrupter) 1 shuts
off power to the protected receptacles if a ground fault
(electrical leak) is detected.
If the reset button 2 pops out 3, the electric devices
connected into the receptacle may be faulty. If this
happens, check the electric devices carefully. If the
electric devices appears to be in good condition, press
the reset button firmly until a click is heard. This will
restore power. If the reset button pops out again, dis-
connect all the electric devices immediately. Have the
electric devices inspected and repaired by a qualified
repairperson before attempting to use them again.
Voltage select switch
cC
Do not operate the voltage select switch while the
engine is running.
1 “120/240V”
When the voltage select switch is turned to “120/240V”
1, the generator supplies both 120V and 240V.
1
2
NO SWITCHING
DURING OPERATION.
2 “120V”
120/240V
120V
WHEN SWITCHING TO 120V.
THE 120/240V OUTLET
CANNOT BE USED.
When the voltage select switch is turned to “120V” 2,
the generator supplies 120V only.
799-7CK
– 9 –
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NOTE:
If you operate the generator with the voltage select
switch in the 120/240V-position, the electric current
will be limited for the 120V-receptacles.
When you use either receptacle 1 or 2 AND recepta-
cle 3 at the same time, the total electric current pro-
vided will be equal to or even less than 22.9A.
For example:
3
1
2
793-7CKf
If the 240V-receptacle provides 10A, the 120V-recep-
tacles 1 and 2 can be used up to 12.9A each.
In case the load exceeds 22.9A, the overload indicator
light will turn on and the generator will stop. (At this
moment the segments of the powermeter may not
reach 10)
If you operate the generator with the voltage select
switch in the 120V-position, the receptacles 1 and 2
can supply rated current (45.8A).
Hour meter
1
The hour meter 1 shows the total number of hours
the generator has been run.
763-7CKf
Power meter
The power meter 1 shows the amount of electric cur-
rent used by a barmeter.
1
The generator output is normal when the segments of
the barmeter appear.
NOTE:
763-7CKg
When 10 segments appear, the generator has almost
reached its rated output.
1
AC pilot light (green)
The AC pilot light 1 comes on when the engine starts
and produces power.
763-7CKc
– 10 –
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AE01087
1
Overload indicator light (red)
The overload indicator light 1 comes on when an
overload of a connected electrical device is detected,
the inverter control unit overheats, or the AC output
voltage rises. Then, the AC protector will trip, stopping
power generation in order to protect the generator and
any connected electric devices. The AC pilot light
(green) will go off and the overload indicator light (red)
will stay on, but the engine will not stop running.
763-7CKd
When the overload indicator light comes on and power
generation stops, proceed as follows:
1. Turn off any connected electric devices and stop
the engine.
2. Reduce the total wattage of connected electric
devices within the rated output.
3. Check for blockages in the cooling air inlet and
around the control unit. If any blockages are
found, remove.
4. After checking, restart the engine.
NOTE:
The overload indicator light may come on for a few
seconds at first when using electric devices that
require a large starting current, such as a compressor
or a submergible pump. However, this is not a mal-
function.
Fuel tank cap
Remove the fuel tank cap by turning it counterclock-
wise.
707-7XFb
– 11 –
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Fuel cock knob
The fuel cock supplies fuel from the fuel tank to the
carburetor.
The fuel cock has two positions.
763-7CKb
1 “ON”
1
ON
With the knob in this position, fuel flows to the carbure-
tor. Normal using is done with the knob in this position.
2
OFF
2 “OFF”
705-073d
With the knob in this position, fuel will not flow. Always
turn the knob to this position when the engine is not
running.
Ground (Earth) terminal
Ground (Earth) terminal 1 connects the earth line for
prevention of electric shock.
When the electric device is earthed, always the gener-
ator must be earthed.
1
763-7CKa
Caster lock lever
The caster lock lever stops moving the generator.
1
1 “Release”
2 “Lock”
2
788-7CKh
– 12 –
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PREPARATION
AE00856
Fuel
w
9 Fuel is highly flammable and poisonous.
Check “SAFETY INFORMATION” (See page 1)
carefully before filling.
741-7XFl
9 Do not overfill the fuel tank, otherwise it may
overflow when the fuel warms up and
expands.
9 After fill the fuel, make sure the fuel tank cap is
tightened securely.
707-7XFc
cC
9 Immediately wipe off spilled fuel with a clean,
dry, soft cloth, since fuel may deteriorate
painted surfaces or plastic parts.
9 Use only unleaded gasoline. The use of leaded
gasoline will cause severe damage to internal
engine parts.
707-7XFa
Make sure there is sufficient fuel in the tank.
When refueling, be sure to fill the tank to the bottom
edge of the fuel filter 4.
2
1 Fuel level gauge
2 Red line
1
707-7XF
“F”
Full
Red line 2
Empty
3
4
3 Fuel level
Recommended fuel:
Unleaded gasoline
Fuel tank capacity:
Total:
17.0 L (3.17 US gal, 2.64 Imp gal)
Your Yamaha engine has been designed to use regu-
lar unleaded gasoline with a pump octane number ((R
+ M)/2) of 86 or higher, or research octane number of
91 or higher.
– 13 –
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AE00222
Engine oil
cC
The generator has been shipped without engine
oil. Do not start the engine till fill with the suffi-
cient engine oil.
1. Place the generator on a level surface.
2. Remove the bolts 1, and then pull outward on the
areas of rear cover 2 shown.
2
1
788-7CKb
3. Remove the oil filler cap 3.
4. Fill the specified amount of the recommended
engine oil, and then install and tighten the oil filler
cap.
3
700-7XFa
4 Upper level
r
700-103c
Recommended engine oil:
å
YAMALUBE 4 (10W-40),
SAE 10W-30 or 10W-40
SAE #30
SAE #20
SAE 10W
700-006
∫
ç
∂
0°C
25°C
å
Recommended engine oil grade:
API Service SE type or higher
Engine oil quantity:
YAMALUBE 4 (10W-40)
∂
ç
∫
SAE 10W
SAE #20
SAE #30
1.3 L (1.37 US qt, 1.14 lmp qt)
5. Install the rear cover and tighten the bolts.
– 14 –
32°F
80°F
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AE01083
Battery preparation
(See page 34)
w
9 Electrolyte is poisonous and dangerous since
it contains sulfuric acid, which causes severe
burns. Avoid any contact with skin, eyes or
clothing and always shield your eyes when
working near batteries. In case of contact,
administer the following FIRST AID.
9 EXTERNAL: Flush with plenty of water.
9 INTERNAL: Drink large quantities of water or
milk and immediately call a physician.
9 EYES: Flush with water for 15 minutes and
seek prompt medical attention.
9 Batteries produce explosive hydrogen gas.
Therefore, keep sparks, flames, cigarettes,
etc., away from the battery and provide suffi-
cient ventilation when charging it in an
enclosed space.
9 KEEP THIS AND ALL BATTERIES OUT OF THE
REACH OF CHILDREN.
762-012
1. Remove the bolts 1, and then pull outward on the
areas of rear cover 2 shown.
2
1
788-7CKb
2. Remove the wing nuts 3 and battery plate 4.
3. Remove the battery 5.
4. Fill the battery with the electrolyte.
Refer to the instruction sheet included with the
electrolyte for filling instructions.
3
5
4
762-7XFa
5. Connect the positive lead (red) 6 to the positive
(+) battery terminal 7.
6
7
6. Install the battery onto the tray.
7. Install the battery plate and tighten the wing nuts.
762-7XFc
– 15 –
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8. Connect the negative lead (black) 8 to the nega-
tive (-) battery terminal 9.
8
9
762-7CKd
9. Install the rear cover and tighten the bolts.
– 16 –
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AE00845
PRE-OPERATION CHECK
w
If any item in the Pre-operation check is not work-
ing properly, have it inspected and repaired before
operating the generator.
The condition of a generator is the owner's responsibil-
ity. Vital components can start to deteriorate quickly
and unexpectedly, even if the generator unused.
NOTE:
Pre-operation checks should be made each time the
generator is used.
Pre-operation check
Fuel (See page 13)
9 Check fuel level in fuel tank.
9 Refuel if necessary.
Fuel line
9 Check fuel hose for crack or damage.
9 Replace if necessary.
Engine oil (See page 14)
9 Check oil level in engine.
9 If necessary, add recommended oil to specified
level.
9 Check generator for oil leakage.
The point where abnormality was recognized by
use
9 Check operation.
9 If necessary, consult a Yamaha dealer.
– 17 –
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AE00846
OPERATION
w
9 Never operate the engine in a closed area or it
may cause unconsciousness and death within
a short time. Operate the engine in a well ven-
tilated area.
761-7CKb
9 Before starting the engine, do not connect any
electric devices.
cC
The generator has been shipped without engine
oil. Do not start the engine till fill with the suffi-
cient engine oil.
AE00918
Starting the engine
NOTE:
A
B
9 Turn the economy contol switch to “OFF”.
9 Select the voltage select switch position according
to the operating voltage of the electric device.
1
ECON.SW
ON
OFF
1
3
“OFF”
763-124b
å Economy control switch
1
2
NO SWITCHING
DURING OPERATION.
1 120/240V
2 120V
120/240V
120V
WHEN SWITCHING TO 120V.
THE 120/240V OUTLET
CANNOT BE USED.
799-7CK
∫ Voltage select switch
1. Turn the fuel cock knob to “ON”.
q
ON
1 “ON”
OFF
705-073
– 18 –
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2. Turn the engine switch to “ON”.
1
1
7
“ON”
763-127h
3. Turn the engine switch to “START”.
Take your hand off the switch immediately after
the engine starts.
q
1
6
“START”
763-120a
cC
If the engine fails to start, release the switch, wait
a few seconds, then try again. Each attempt
should be as short as possible to preserve the bat-
tery. Do not crank the engine more than 5 seconds
on any one attempt.
– 19 –
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AE00840
Stopping the engine
1. Turn off any electric devices.
2. Disconnect any electric devices.
761-7CKb
3. Turn the engine switch to “STOP”.
q
1
5
“STOP”
763-120b
4. Turn the fuel cock knob to “OFF”.
ON
1 “OFF”
q
OFF
705-073a
– 20 –
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AE00839
Connection
Alternating Current (AC)
w
Be sure any electric devices are turned off before
plugging them in.
cC
9 Be sure all electric devices including the lines
and plug connections are in good condition
before connection to the generator.
9 Be sure the total load is within generator rated
output.
9 Be sure the receptacle load current is within
receptacle rated current.
9 Do not operate the voltage select switch while
the engine is running.
NOTE:
Make sure to ground (earth) the generator.
When the electric device is earthed, always the gener-
ator must be earthed.
1. Select the voltage select switch position according
to the operating voltage of the electric device.
1
2
NO SWITCHING
DURING OPERATION.
1 120/240V
2 120V
120/240V
120V
WHEN SWITCHING TO 120V.
THE 120/240V OUTLET
CANNOT BE USED.
799-7CK
2. Start the engine.
3. Plug in to AC receptacle.
761-7CKa
NOTE:
GR
To supply both 120V and 240V power sources from
the 4-blade plug receptacle needs special knowledge
of the wiring plug. Please contact a trained electrician
for the wiring of the plugs.
G
X
120V
240V
Y
W
120V
779-017a
– 21 –
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4. Make sure the AC pilot light 1 is on.
1
763-7CKc
5. Turn the economy control switch to “ON”
A
1
ECON.SW
1
I
“ON”
å Economy control switch
ON
OFF
763-124c
6. Turn on any electric devises.
NOTE:
The economy control switch must be turned to “OFF”
to increase engine speed to rated rpm.
– 22 –
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AE00812
Application range
When using the generator, make sure the total load is within rated output of a generator.
Otherwise, generator damage may occur.
AC
0.4 ~ 0.75
(Efficiency 0.85)
Power factor
EF6300iSDE
1
0.8 ~ 0.95
– 4,400W
– 5,500W
– 1,870W
NOTE:
9 “–” means below.
1
9 Application wattage indicates when each device is
used by itself.
9 The overload indicator light 1 comes on when
total wattage exceeds the application range. (See
page 11 for more details.)
763-7CKd
cC
9 Do not overload. The total load of all electrical
appliances must not exceed the supply range
of the generator. Overloading will damage the
generator.
9 When supplying precision equipment, elec-
tronic controllers, PCs, electronic computers,
microcomputerbased equipment or battery
chargers, keep the generator a sufficient dis-
tance away to prevent electrical interference
from the engine. Also ensure that electrical
noise from the engine does not interfere with
any other electrical devices located near the
generator.
9 If the generator is to supply medical equip-
ment, advice should first be obtained from the
manufacturer, a medical professional or hospi-
tal.
9 Some electrical appliances or general-purpose
electric motors have high starting currents,
and cannot therefore be used, even if they lie
within the supply ranges given in the above
table. Consult the equipment manufacturer for
further advice.
– 23 –
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— MEMO —
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AE00401
PERIODIC MAINTENANCE
Safety is an obligation of the owner. Periodic inspection, adjustment and lubrication will
keep your generator in the safest and most efficient condition possible. The most impor-
tant points of generator inspection, adjustment, and lubrication are explained on the fol-
lowing pages.
w
If you are not familiar with maintenance work, have a Yamaha dealer do it for you.
AE00403
Maintenance chart
w
Stop the engine before starting maintenance work.
cC
Use only Yamaha specified genuine parts for replacement. Ask an authorized
Yamaha dealer for further attention.
Every
Pre-
operation
check
Item
Routine
6 months 12 months
or 100 Hr or 300 Hr
• Check condition.
Spark plug
1
• Clean and replace if necessary.
• Check fuel level and leakage.
Fuel
1
1
1
Fuel hose
• Check fuel hose for cracks or damage.
Replace if necessary.
• Check oil level in engine.
• Replace
Engine oil
1(*1)
1(*2)
• Check condition.
Air filter element
Muffler screen
• Clean
• Check condition.
1
• Clean and replace if necessary.
• Check condition.
Spark arrester
Fuel filter
1
• Clean and replace if necessary.
• Clean and replace if necessary.
1
– 25 –
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Every
Pre-
operation
check
Item
Routine
6 months 12 months
or 100 Hr or 300 Hr
• Check breather hose for cracks or
damage.
Crankcase breather
hose
1
• Replace if necessary.
• Decarbonize cylinder head.
• More frequently if necessary.
• Check and adjust when engine is cold.
• Check all fittings and fasteners.
• Correct if necessary.
Cylinder head
★
★
★
Valve clearance
Fittings / fasteners
The point where abnormality was recognized by use
1
*1·····Initial replacement of the engine oil is after one month or 20 hours of operation.
*2·····The air filter element needs to be cleaned more frequently when using in unusually wet or dusty areas.
★····· Since these items require special tools, data and technical skills, have a Yamaha dealer perform the ser-
vice.
– 26 –
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AE01051
Spark plug inspection
The spark plug is important engine components, which
should be checked periodically.
1. Remove the bolts 1, and then pull outward on the
areas of front cover 2 shown.
2
1
788-7CKa
760-7XF
760-001a
2. Remove the spark plug cap and then remove the
spark plug.
3. Check for discoloration and remove the carbon.
The porcelain insulator around the center elec-
trode of spark plug should be a medium-to-light
tan color.
4. Check the spark plug type and gap a.
Standard Spark Plug:
BPR4ES (NGK)
Spark Plug Gap:
a
0.7–0.8 mm (0.028–0.031 in)
NOTE:
The spark plug gap should be measured with a wire
thickness gauge and, if necessary, adjusted to specifi-
cation.
5. Install the spark plug.
Spark Plug Torque:
20.0 N•m (2.0 kgf•m, 14.8 lbf•ft)
NOTE:
If a torque wrench is not available when installing a
spark plug, a good estimate of the correct torque is
1/4-1/2 turn past finger tight. However, the spark plug
should be tightened to the specified torque as soon as
possible.
6. Install the spark plug cap.
7. Install the front cover and tighten the bolts.
– 27 –
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AE00431
Carburetor adjustment
The carburetor is a vital part of the engine. Adjusting
should be left to a Yamaha dealer with the profession-
al knowledge, specialized data, and equipment to do
so properly.
AE00412
Engine oil replacement
w
Avoid draining the engine oil immediately after
stopping the engine. The oil is hot and should be
handled with care to avoid burns.
1. Place the machine on a level surface and warm
up the engine for several minutes.
Then stop the engine.
2. Remove the bolts 1, and then pull outward on the
areas of rear cover 2 shown.
2
1
788-7CKb
3. Remove the rubber cap 3, rubber plug 4 and the
oil filler cap 5.
4. Place an oil pan under the engine. Remove the oil
drain bolt 6 so that the oil can be completely
drained.
8
5
6
7
5. Check the oil drain bolt, gasket 7, oil filler cap
and O-ring 8.
700-7XFb
3
4
If damaged, replace.
6. Reinstall the oil drain bolt.
Oil drain bolt Torque:
30.0 N•m (3.1 kgf•m, 22.2 lbf•ft)
– 28 –
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7. Add engine oil to the upper level 1.
Recommended engine oil:
q
å
YAMALUBE 4 (10W-40),
SAE 10W-30 or 10W-40
SAE #30
SAE #20
SAE 10W
∫
700-006a
ç
∂
0°C
25°C
Recommended engine oil grade:
API Service SE type or higher
Engine oil quantity:
å
YAMALUBE 4 (10W-40)
∂
ç
∫
SAE 10W
SAE #20
SAE #30
1.3 L (1.37 US qt, 1.14 lmp qt)
32°F
80°F
cC
Be sure no foreign material enters the crankcase.
8. Install the oil filler cap, the rubber cap and the rub-
ber plug.
9. Install the front cover and tighten the bolts.
AE01084
Air filter
1. Remove the bolts 1, and then pull outward on the
areas of front cover 2 shown.
2
1
788-7CKa
2. Remove the bolts 3.
3
3
788-7XFi
– 29 –
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3. Remove the air filter cover 1 and foam element
2.
1
2
4. Wash the foam element in solvent and dry it.
5. Oil the foam element and squeeze out excess oil.
The foam element should be wet but not dripping.
Recommended oil:
Foam-air-filter oil
or
SAE #20 motor oil
cC
Do not wring out the foam element when squeez-
ing it.
This could cause it to tear.
6. Insert the foam element into the air filter case.
NOTE:
Be sure the foam element sealing surface matches the
air filter so there is no air leak.
710-037a
cC
The engine should never run without the foam ele-
ment; excessive piston and cylinder wear may
result.
7. Install the air filter cover in its original position and
tighten the bolts.
8. Install the front cover and tighten the bolts.
– 30 –
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AE01075
Muffler screen and spark arrester
w
The engine and muffler will be very hot after the
engine has been run.
741-7XFl
Avoid touching the engine and muffler while they
are still hot with any part of your body or clothing
during inspection or repair.
1. Remove the bolts 1, and then pull outward on the
areas of rear cover 2 shown.
2
1
788-7CKb
2. Loosen the screw 1 and then remove the muffler
cap 2, the muffler screen 3 and spark arrester
4.
2
1
3
711-7XFa
711-7XFb
711-7XFc
4
– 31 –
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3. Remove the carbon deposits on the muffler
screen and spark arrester using a wire brush.
cC
When cleaning, use the wire brush lightly to avoid
damaging or scratching of the muffler screen and
spark arrester.
711-075
4. Check the muffler screen and spark arrester.
Replace them if damaged.
5. Install the spark arrester.
NOTE:
Align the spark arrester projection 1 with the hole 2
in the muffler pipe.
2
1
711-7XFd
6. Install the muffler screen and the muffler cap.
7. Install the rear cover and tighten the bolts.
711-7XFe
– 32 –
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AE00471
Fuel tank filter
w
q
Never use or be near the fuel and solvent while
smoking or in the vicinity of an open flame.
1. Remove the fuel tank cap and filter 1.
2. Clean the filter with gasoline.
If damaged, replace it.
3. Wipe the filter and install it.
4. Install the fuel tank cap.
w
Be sure the fuel tank cap is tightened securely.
707-043b
– 33 –
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AE00842
Battery
This generator is equipped with a sealed type (MF)
battery, which does not require any maintenance.
There is no need to check the electrolyte or to add dis-
tilled water.
w
9 Electrolyte is poisonous and dangerous since
it contains sulfuric acid, which causes severe
burns. Avoid any contact with skin, eyes or
clothing and always shield your eyes when
working near batteries. In case of contact,
administer the following FIRST AID.
9 EXTERNAL: Flush with plenty of water.
9 INTERNAL: Drink large quantities of water or
milk and immediately call a physician.
9 EYES: Flush with water for 15 minutes and
seek prompt medical attention.
9 Batteries produce explosive hydrogen gas.
Therefore, keep sparks, flames, cigarettes,
etc., away from the battery and provide suffi-
cient ventilation when charging it in an
enclosed space.
762-012
9 KEEP THIS AND ALL BATTERIES OUT OF THE
REACH OF CHILDREN.
To charge the battery
Have a Yamaha dealer charge the battery as soon as
possible if it seems to have discharged.
AE01057
Recommended battery
Recommended battery:
Capacity: 12V/18Ah
– 34 –
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AE01077
Fuse replacement
w
Be sure to use specified fuse. A wrong fuse will
cause electrical system damage and A FIRE HAZ-
ARD.
cC
Be sure the engine switch is turned to “STOP” to
prevent accidental short circuiting.
1. Remove the bolts 1, and then pull outward on the
areas of front cover 2 shown.
2
1
788-7CKa
2. Replace the fuse with one of proper amperage.
Specified fuse: 20A
NOTE:
If the fuse immediately blows again, consult a Yamaha
dealer.
779-7XF
3. Install the front cover and tighten the bolts.
– 35 –
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AE00501
G.F.C.I. receptacle test
1. Start the engine.
2. Press the test button 1, then check the position of
the reset button 2.
RSET
EST
RSET
w
q
763-083b
G.F.C.I. Reset
G.F.C.I. Receptacle
Button Position
Operation
e
r
after Test
Pop Out 3
Stay In 4
Correct
Incorrect
763-059
3. If G.F.C.I. operation is correct, push in the reset
button.
If the G.F.C.I. operates incorrectly, consult a
Yamaha dealer.
w
Do not operate the generator with a faulty G.F.C.I.
circuit. Electric shock could occur. Have the gen-
erator repaired by a qualified mechanic.
– 36 –
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AE00601
STORAGE
Long term storage of your machine will require some
preventive procedures to guard against deterioration.
AE01056
Drain the fuel
q
1. Turn the engine switch to “STOP” 1.
2. Remove the fuel tank cap. Extract the fuel from
the fuel tank into an approved gasoline container
using a commercially available handsiphon. Then,
install the fuel tank cap.
763-120b
w
Fuel is highly flammable and poisonous. Check
“SAFETY INFORMATION” (See page 1) carefully.
cC
Immediately wipe off spilled fuel with a clean, dry,
soft cloth, since fuel may deteriorate painted sur-
faces or plastic parts.
707-7CK
3. Turn the engine switch to “ON”
4. Turn the fuel cock knob to “ON”
5. Start the engine and leave it run until it stops.
The engine stops in approx. 20 mins. time by run-
ning out of fuel.
ON
OFF
NOTE:
9 Do not connect with any electrical devices.
(unloaded operation)
705-073b
9 Duration of the running engine depends on the
amount of the fuel left in the tank.
– 37 –
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6. Remove the bolts 1, and then pull outward on the
areas of front cover 2 shown.
2
1
788-7CKa
7. Drain the fuel from the carburetor by loosening the
drain screw 1 on the carburetor float chamber.
8. Turn the engine switch to “OFF”.
9. Turn the fuel cock knob to “OFF”.
10. Tighten the drain screw.
1
11. Install the front cover and tighten the bolts.
707-7CKd
12. Tighten further if any bolts and nuts are loose.
13. Store the generator in a dry, well-ventilated place,
with the cover placed over it.
– 38 –
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AE00889
Engine
Perform the following steps to protect the cylinder, pis-
ton ring, etc. from corrosion.
1. Remove the spark plug cap and spark plug, pour
about one tablespoon of SAE 10W30 or 20W40
motor oil into spark plug hole and reinstall the
spark plug only.
2. Turn the engine switch to “START” and crank the
engine several seconds with ignition off to coat the
cylinder walls with oil.
3. Clean exterior of the generator and apply a rust
inhibitor.
4. Store the generator in a dry, well-ventilated place,
with the cover placed over it.
712-7XF
5. The generator must remain in a vertical position
when stored, carried or operated. The caster lock
lever should be in the “Lock” when stored or oper-
ated.
788-7XFg
– 39 –
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AE01086
Battery
1. Remove the battery.
2. Store the battery in a cool, dark and dry place.
Do not store the battery in an excessively warm or
cold place [i.e., less than 0°C (30°F) or more than
30°C (90°F)].
762-003
w
9 Disconnect the negative lead (black) first, then
the positive lead (red) from the battery.
9 Connect the positive lead (red) first, then the
negative lead (black) to the battery when
installing the battery.
– 40 –
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– 41 –
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AE00512
TROUBLESHOOTING
Engine won’t start
1. Fuel systems
No fuel supplied to combustion chamber.
2 No fuel in tank .... Supply fuel.
2 Fuel in tank .... Fuel cock knob to “ON” 1.
2 Clogged fuel line .... Clean fuel line.
2 Clogged carburetor .... Clean carburetor.
707-7XFc
q
ON
OFF
705-073
2. Engine oil system
Insufficient
2 Oil level is low .... Add engine oil.
700-006
3. Electrical systems
2 Engine switch to “START” 1.
Poor spark
q
2 Spark plug dirty with carbon or wet .... Remove
carbon or wipe spark plug dry.
2 Faulty ignition system .... Consult a Yamaha deal-
er.
763-120a
4. Compression
Insufficient
2 Worn out piston and cylinder .... Consult a
Yamaha dealer.
2 Loose cylinder head nuts .... Tighten nuts proper-
ly.
2 Damaged gasket .... Replace gasket.
760-009
– 42 –
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AE00515
Generator won’t produce power
• Safety device (AC protector) to “Reset”····Press the AC protector to “Set”.
• The voltage select switch in the wrong position····Turn the voltage select switch to
the right position.
A
ENGINE DOES NOT START
B
Turn the engine switch to “ON”, then turn
the engine switch to “START”. And check
if the starter motor cranks.
C
Cranks
D
Does not crank
F
Turn the engine switch to “START”, and
check if the oil warning light comes on.
G
Does not come on
H
Comes on
L
Turn the engine switch to “START” and
check the spark plug for spark strength.
(See “WARNING”).
w
9 To prevent FIRE HAZARDS be
sure fuel is not present in the
spark plug area.
9 To prevent FIRE HAZARDS be
sure to place the spark plug
as far way as possible from
the spark plug hole and car-
buretor area.
9 To prevent ELECTRIC SHOCK
do not hold spark plug lead
with hand while testing.
M
R
Engine does not start.
Check the following
N
Engine starts.
U
Clean or Replace; Consult a
S
T
Clogged
OK
Yamaha dealer.
9 Fuel cock clogging
9 Air cleaner element
clogging.
V
Consult a Yamaha dealer.
– 43 –
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E
I
Faulty battery and/or starter motor.
Consult a Yamaha dealer.
Check engine oil level.
J
OK
Consult a
Yamaha dealer.
K
Level low
Add engine oil.
O
Check the spark plug.
9 Type:
9 Gap:
P
Incorrect
Replace or
Adjust gap.
Q
OK
Clean the spark
plug.
– 44 –
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AE00701
SPECIFICATIONS
AE00702
Dimensions
Unit
EF6300iSDE
780 (30.7)
616 (24.3)
692 (27.2)
91 (200)
Overall Length
Overall Width
Overall Height
Dry Weight
mm (in)
mm (in)
mm (in)
kg (lb)
AE00704
Engine
Unit
cm3
EF6300iSDE
Type
Air cooled 4-stroke gasoline OHV
Inclined, 1 cylinder
357
Cylinder Arrangement
Displacement
Bore × Stroke
Operation Hours
mm (in)
Hr
85.0 × 63.0 (3.35 × 2.48)
5.1–13.3 (rated load–1/4 load)
Fuel
Unleaded gasoline
17.0 (4.49, 3.74)
1.3 (1.37, 1.14)
TCI
Fuel Tank Capacity L (US gal, Imp gal)
Engine Oil Quantity L (US qt, Imp qt)
Ignition System
Spark Plug: Type
BPR4ES (NGK)
0.7–0.8 (0.028–0.031)
64
Gap
mm (in)
dB (A)
Noise Level*
* : Measured at rated operation from 7 m (23 ft) distance.
AE00707
Generator
Unit
EF6300iSDE
AC Output
Rated voltage
V
Hz
A
120/240
Rated frequency
Rated current
60
45.8/22.9
Rated output
kVA
5.5
Safety Device: Type
Electronic + Mechanical (By metal)
Battery
Unit
V
EF6300iSDE
Voltage
12
18
Capacity
Ah
– 45 –
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CONSUMER INFORMATION
AE00012
PRI-I.D. NUMBER:
Identification number records
Record your Primary I.D., and serial num-
bers in the spaces provided, to assist you
in ordering spare parts from a Yamaha
dealer.
MODEL
PRI-I.D.
Also record and keep these I.D. numbers
in a separate place in case your machine
is stolen.
SERIAL No.
CODE
AE00011
Machine identification
The machine serial number is stamped in
the location as shown.
NOTE:
The first three digits of these numbers are
for model identification; the remaining dig-
its are the unit production number. Keep a
record of these numbers for reference
when ordering parts from a Yamaha deal-
er.
Serial NO.
–
7CK
7CK-24163-00
790-7CKb
– 46 –
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AE01119
YAMAHA MOTOR CORPORATION U.S.A.
EF- AND EDL-SERIES GENERATOR LIMITED WARRANTY
Yamaha Motor Corporation, U.S.A. hereby war-
rants that new Yamaha consumer generators pur-
chased from an authorized Yamaha consumer
generator dealer in the continental United States
will be free from defects in material and workman-
ship for the period of time stated herein, subject to
certain stated limitations.
2. Give notice to an authorized Yamaha con-
sumer generator dealer of any and all appar-
ent defects within ten (10) days after discov-
ery, and make the unit available at that time
for inspection and repairs at such dealer’s
place of business.
WARRANTY TRANSFER: To transfer the warran-
ty from the original purchaser to any subsequent
purchaser(s), it is imperative that the unit be
inspected and registered for warranty by an autho-
rized Yamaha consumer generator dealer. In order
for this warranty to remain in effect, this inspection
and registration must take place within ten (10)
days after transfer. An inspection and registration
fee will be charged for this service. In no case will
the warranty be extended beyond the original peri-
od.
THE PERIOD OF WARRANTY Any new EF-
series or EDL-series Yamaha Generator pur-
chased for private, non-commercial use from an
authorized Yamaha consumer generator dealer in
the continental United States will
be warranted against defects in material or work-
manship for a period two (2) years from date of
purchase, subject to exclusions noted herein. Any
Yamaha non-commercial
generator purchased and utilized for commercial
or rental applications will be warranted for a period
one (1) year from the date of purchase, subject to
exclusions noted herein.
YAMAHA MOTOR CORPORATION, U.S.A. MAKES
NO OTHER WARRANTY OF ANY KIND,
EXPRESSED OR IMPLIED. ALL IMPLIED WAR-
RANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE WHICH EXCEED
THE OBLIGATIONS AND TIME LIMITS STATED IN
THIS WARRANTY ARE HEREBY DISCLAIMED BY
YAMAHA MOTOR CORPORATION, U.S.A. AND
EXCLUDED FROM THIS WARRANTY.
DURING THE PERIOD OF WARRANTY any
authorized Yamaha consumer generator dealer
will, free of charge, repair or replace, at Yamaha’s
option, any part adjudged defective by Yamaha
due to faulty workmanship or material from the
factory. Parts used in warranty repairs will be war-
ranted for the balance of the product’s warranty
period. All parts replaced under warranty become
property of Yamaha Motor Corporation U.S.A.
SOME STATES DO NOT ALLOW LIMITATIONS ON
HOW LONG AN IMPLIED WARRANTY LASTS, SO
THE ABOVE LIMITATION MAY NOT APPLY TO
YOU. ALSO EXCLUDED FROM THIS WARRANTY
ARE ANY INCIDENTAL OR CONSEQUENTIAL
DAMAGES INCLUDING LOSS OF USE. SOME
STATES DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF INCIDENTAL OR CONSEQUEN-
TIAL DAMAGES, SO THE ABOVE EXCLUSION
MAY NOT APPLY TO YOU.
GENERAL EXCLUSIONS from this warranty shall
include any failures caused by:
a. Installation of parts or accessories that are not
qualitatively equivalent to genuine Yamaha
parts.
b. Abnormal strain, neglect, or abuse.
c. Lack of proper maintenance.
d. Accident or collision damage.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL
RIGHTS, AND YOU MAY ALSO HAVE OTHER
RIGHTS WHICH VARY FROM STATE TO STATE.
SPECIFIC EXCLUSIONS from this warranty shall
include parts replaced due to normal wear or rou-
tine maintenance.
YAMAHA MOTOR CORPORATION, U.S.A.
Post Office Box 6555
THE CUSTOMER’S RESPONSIBILITY under this
warranty shall be to:
Cypress, California 90630
1. Operate and maintain the generator as speci-
fied in the appropriate Owner’s Manual;
– 47 –
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WARRANTY QUESTIONS AND ANSWERS
Q. What costs are my responsibility during the
Q. Is the warranty transferable to second own-
warranty period?
ers?
A. The customer’s responsibility includes all
costs of normal maintenance service, non-
warranty repairs, accident damages, as well
as oil and spark plugs.
A. Yes. The remainder of the existing warranty
can be transfered upon request.
The unit has to be inspected and reregistered
by an authorized Yamaha generator dealer for
the policy to remain effective.
Q. What are some examples of “abnormal” strain,
neglect, or abuse?
CUSTOMER SERVICE
A. These terms are general and overlap each
other in areas. Specific examples include:
Running the machine out of oil; lack of proper
maintenance; operating the machine with a
broken or damaged part which causes anoth-
er part to fail; and so on. If you have any
specific questions on operation or mainte-
nance, please contact your dealer for advice.
If your machine requires warranty service, you
must take it to any authorized Yamaha generator
dealer within the continental United States. Be
sure to bring your warranty registration identifica-
tion or other valid proof of the original date of pur-
chase. If a question or problem arises regarding
warranty, first contact the owner of the dealership.
Since all warranty matters are handled at the deal-
er level, this person is in the best position to help
you. If you are still not satisfied and require addi-
tional assistance, please write:
Q. Does the warranty cover incidental costs such
as transportation due to a failure?
A. No. The warranty is limited to repair of the
machine itself.
YAMAHA MOTOR CORPORATION U.S.A.
CUSTOMER RELATIONS DEPARTMENT
P.O. BOX 6555
Q. May I perform any or all of the recommended
maintenance shown in the Owner’s Manual
instead of having the dealer do them?
Cypress, California 90630
A. Yes, if you are a qualified mechanic and follow
the procedures specified in the Owner’s and
Service Manual. We do recommend, however,
that items requiring special tools or equipment
be done by a Yamaha generator dealer.
CHANGE OF ADDRESS
The federal government requires each manufac-
turer to maintain a complete, up-to-date list of all
first purchasers against the possibility of a safety-
related defect and recall. This list is compiled from
the purchase registrations sent to Yamaha Motor
Corporation, U.S.A. by the selling dealer at the
time of your purchase. If you should move after
you have purchased your new generator, please
advise us of your new address by sending a post-
card listing your Yamaha model name, engine
number, dealer number (or dealer’s name) as it is
shown on your warranty identification, your name
and new mailing address. Mail to:
Q. Will the warranty be void or cancelled if I do
not operate or maintain my new Yamaha
exactly as specified in the Owner’s Manual?
A. No. The warranty on a new Yamaha cannot
be “voided” or “cancelled.”
However, if a particular failure is caused by
operation or maintenance other than as
shown in the Owner’s Manual, that failure
may not be covered under warranty.
Q. What responsibility does my dealer have
under this warranty?
A. Each Yamaha generator dealer is expected
to:
YAMAHA MOTOR CORPORATION, U.S.A.
WARRANTY DEPARTMENT
P.O. Box 6555
1. Check the operation of the generator
before sale.
Cypress, California 90630
2. Explain the operation, maintenance, and
warranty requirements to your satisfaction
at the time of sale, and upon your request
at any later date.
This will ensure that Yamaha Motor Corporation,
U.S.A. has an up-to-date registration record in
accordance with federal law.
In addition, each Yamaha generator dealer is
held responsible for his setup, service and
warranty repair work.
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AE00789
EXHAUST EMISSION CONTROL SYSTEM AND COMPONENTS
Item
Acronym
9 CARB. ASSY., LH. & JT., ......................CARB (Carburetor)
CARBURETOR2
9 T.C.I. MAGNETO ASSY. & .....................EI (Electronic Ignition)
PLUG, SPARK
9 CRANKCASE1 & HEAD, .......................PCV (Positive Crankcase
CYLINDER1
Ventilation)
9 AIR FILTER ASSY. .................................ACL (Air Cleaner)
9 MUFF., 2, CAP, NET, WIRE2 &
ARRESTER, SPARK
The above items and the corresponding acronyms are provided in accordance with U.S.
EPA REGULATIONS FOR NEW NONROAD SPARK-IGNITION NONHANDHELD
ENGINES and the CALIFORNIA REGULATIONS FOR 1995 AND LATER SMALL OFF-
ROAD ENGINES.
The acronyms conform to the latest version of the SAE’s recommended practice docu-
ment J1930, “Diagnostic Acronyms, Terms, and Definitions For Electrical/Electronic
System”.
It is recommended that these items be serviced by a Yamaha dealer.
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— MEMO —
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PRINTED IN JAPAN
!
PRINTED ON RECYCLED PAPER
2008 9 09 – 1.0 × 1
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