GCV135·GCV160
SERIAL NUMBER AND ENGINE TYPE
OWNER’S MANUAL
Honda Motor Co., Ltd. 2001
1
SAFETY INSTRUCTIONS
To ensure safe operation－
Honda engine is designed to give safe and
dependable service if operated according
to instructions. Read and understand the
Owner’s Manual before operating the
engine. Failure to do so could result in
personal injury or equipment damage.
Always make a pre-operation inspection (page 6 ) before you
start the engine. You may prevent an accident or equipment
damage.
To prevent fire hazards and to provide adequate ventilation,
keep the engine at least 1 meter (3 feet) away from buildings
and other equipment during operation. Do not place flammable
objects close to the engine.
Children and pets must be kept away from the area of
operation due to a possibility of burns from hot engine
components or injury from any equipment the engine may be
used to operate.
Know how to stop the engine quickly, and understand the
operation of all controls. Never permit anyone to operate the
engine without proper instructions.
Do not place flammable objects such as gasoline, matches, etc.,
close to the engine while it is running.
Refuel in a well-ventilated area with the engine stopped.
Gasoline is highly flammable and explosive under certain
conditions.
Do not overfill the fuel tank. There should be no fuel in the filler
neck.
Make sure that the filler cap is closed securely.
3
Safety Instruction
To ensure safe operation－
If any fuel is spilled, clean it up completely and allow petroleum
vapours to dissipate before starting the engine.
Do not smoke or allow flames or sparks where the engine is
refueled or where gasoline is stored.
Exhaust gas contains poisonous carbon monoxide. Avoid
inhalation of exhaust gases. Never run the engine in a closed
garage or confined area.
Place the engine on a stable surface. Do not tilt the engine more
than 15° from horizontal. Operating at excessive angles may
result in fuel spillage.
Do not place anything on the engine, as it may create a fire
hazard.
A spark arrester is available as an optional part for this engine. It
is illegal in some areas to operate an engine without a spark
arrester. Check local laws and regulations before operating.
The muffler becomes very hot during operation and remains hot
for a while after stopping the engine. Be careful not to touch the
muffler while it is hot. To avoid severe burns or fire hazards, let
the engine cool before transporting it or storing it indoors.
SAFETY INDICATION LOCATION
This indication warns you of potential hazards that can cause
serious injury. Read it carefully.
READ OWNER’S MANUAL BEFORE OPERATION.
4
COMPONENT IDENTIFICATION
STARTER GRIP
RECOIL STARTER
OIL FILLER CAP
SPARK PLUG
MUFFLER
FUEL TANK CAP
FLYWHEEL BRAKE LEVER
(applicable types)
CONTROL LEVER
AIR CLEANER
FUEL VALVE
FUEL TANK
5
PRE-OPERATION CHECK
1. Engine oil level
Running the engine with insufficient oil can cause serious
engine damage.
Be sure to check the engine on a level surface with the engine
stopped.
1. Remove the oil filler cap and wipe the dipstick clean.
2. Insert the dipstick into the oil filler neck, but do not screw it in.
3. If the level is low, add the recommended oil to the upper limit on
the dipstick.
SAE Viscosity Grades
Use Honda 4-stroke, or an equivalent
high detergent, premium quality mo-
SAE
tor oil certified to meet or exceed U.S.
automobile manufacturer’s require-
ments for service classification SG, SH.
Motor oils classified SG, SH will show
TEMP
this designation on the container.
SAE 10W-30 is recommended for gen-
eral, all temperature use. If single vis-
AMBIENT TEMPERATURE
cosity oil is used, select the appropri-
ate viscosity for the average tempera-
ture in your area.
Using nondetergent oil or 2-stroke engine oil could shorten the
engine’s service life.
OIL FILLER CAP/
DIPSTICK
UPPER LIMIT
LOWER LIMIT
6
2. Air cleaner
Never run the engine without the air cleaner. Rapid engine wear
will result.
Remove the air cleaner cover and check the cleaner for dirt or
obstruction of the element (page 19 ).
ELEMENT
AIR CLEANER COVER
7
3. Fuel
Use automotive gasoline (Unleaded or lowleaded is preferred to
minimize combustion chamber deposits).
FOR NEW SOUTH WALES ONLY:
Use unleaded fuel only.
Never use an oil/gasoline mixture or dirty gasoline. Avoid getting
dirt, dust or water in the fuel tank.
Gasoline is extremely flammable and is explosive under certain
conditions.
Refuel in a well-ventilated area with the engine stopped. Do not
smoke or allow flames or sparks in the area where the engine is
refueled or where gasoline is stored.
Do not overfill the fuel tank (there should be no fuel in the filler
neck). After refueling, make sure the tank cap is closed properly
and securely.
Be careful not to spill fuel when refueling. Spilled fuel or fuel
vapor may ignite. If any fuel is spilled, make sure the area is dry
before starting the engine.
Avoid repeated or prolonged contact with skin or breathing of
vapor.
KEEP OUT OF REACH OF CHILDREN.
Fuel tank capacity: GCV135: 0.9 (0.24 US gal , 0.20 Imp gal)
GCV160: 1.1 (0.29 US gal , 0.24 Imp gal)
UPPER LEVEL
FUEL FILLER
NECK
8
GASOLINES CONTAINING ALCOHOL
If you decide to use a gasoline containing alcohol (gasohol), be
sure it’s octane rating is at least as high as that recommended by
Honda. There are two types of ‘‘gasohol’’: one containing ethanol,
and the other containing methanol. Do not use gasohol that
contains more than 10% ethanol. Do not use gasoline containing
methanol (methyl or wood alcohol) that does not also contain
cosolvents and corrosion inhibitors for methanol. Never use
gasoline containing more than 5% methanol, even if it has
cosolvents and corrosion inhibitors.
Fuel system damage or engine performance problems resulting
from the use of fuels that contain alcohol is not covered under
the warranty. Honda cannot endorse the use of fuels containing
methanol since evidence of their suitability is as yet incomplete.
Before buying fuel from an unfamiliar station, try to find out if
the fuel contains alcohol, if it does, confirm the type and
percentage of alcohol used. If you notice any undesirable
operating symptoms while using a gasoline that contains
alcohol, or one that you think contains alcohol, switch to a
gasoline that you know does not contain alcohol.
9
STARTING THE ENGINE
1. Turn the fuel valve to the ON position.
ON
FUEL VALVE
2. Move the control lever to the CHOKE position.
Do not use the choke if the engine is warm or the air temperature
is high.
CHOKE
CONTROL LEVER
10
3. With FLYWHEEL BRAKE LEVER type only:
Move the flywheel brake lever to the RELEASED position.
The engine switch, which is linked with the flywheel brake lever,
is turned on when the flywheel brake lever is moved to the
RELEASED position.
FLYWHEEL BRAKE LEVER
RELEASED
4. Pull the starter grip lightly until resistance is felt, then pull
briskly.
Do not allow the starter grip to snap back against the engine.
Return it gently to prevent damage to the starter.
11
5. When engine warms up, move the control lever to FAST or
SLOW.
SLOW
FAST
CONTROL LEVER
12
High altitude operation
At high altitude, the standard carburetor air-fuel mixture will be ex-
cessively rich. Performance will decrease, and fuel consumption
will increase.
High altitude performance can be improved by installing a smaller
diameter main fuel jet in the carburetor and readjusting the pilot
screw. If you always operate the engine at altitudes higher than
1,830 m (6,000 feet) above sea level, have your authorized Honda
dealer perform these carburetor modifications.
Even with suitable carburetor jetting, engine horsepower will
decrease approximately 3.5% for each 305 m (1,000 feet) increase
in altitude. The affect of altitude on horsepower will be greater
than this if no carburetor modification is made.
Operation of the engine at an altitude lower than the carburetor is
jetted for may result in reduced performance, overheating, and
serious engine damage caused by an excessively lean air/fuel
mixture.
13
STOPPING THE ENGINE
1. Move the control lever to the SLOW position.
SLOW
CONTROL LEVER
2. With FLYWHEEL BRAKE LEVER type:
Return the flywheel brake lever to the ENGAGED position.
The engine switch, which is linked with the flywheel brake lever,
is turned off when the flywheel brake lever is moved to the
ENGAGED position.
FLYWHEEL BRAKE LEVER
ENGAGED
14
3. Without FLYWHEEL BRAKE LEVER type:
Move the control lever to the STOP position.
The engine switch, which is linked with the control lever, is
turned off when the control lever is moved to the STOP position.
CONTROL LEVER
STOP
4. Turn the fuel valve to the OFF position.
OFF
FUEL VALVE
15
MAINTENANCE
Shut off the engine before performing any maintenance.
To prevent accidental start-up, disconnect the spark plug cap.
The engine should be serviced by an authorized Honda dealer
unless the owner has proper tools and service data and feels he
is mechanically qualified.
Use only genuine Honda parts or their equivalent. The use of
replacement parts which are not of equivalent quality may
damage the engine.
Periodic inspection and adjustment of the Honda engine is
essential if high level performance is to be maintained. Regular
maintenance will also ensure a long service life. The required
service intervals and the kind of maintenance to be performed are
described on the following table.
16
Maintenance Schedule
REGULAR SERVICE PERIOD (4)
ITEM
Perform at every indicated month or
operating hours interval, whichever
comes first.
Each First Every Every Every Every Every
use month
or
3
6
year 150 hrs. 2 years
months months
or or
or
or
5 hrs.
100 hrs.
250 hrs.
25 hrs. 50 hrs.
Engine oil
Check
Change
Check
Clean
○
○
○
○ (2)
Air cleaner
○ (1)
Replace
Check
○
○
Flywheel brake pad
(applicable types)
Spark plug
○
Check-Adjust
Replace
Clean
○
○
Spark arrester
(optional part)
Idle speed
Fuel tank and filter
Valve clearance
Combustion chamber
Fuel tube
○
Check-Adjust
Clean
Check-Adjust
Clean
○ (3)
○ (3)
○ (3)
Check
Every 2 years (Replace if necessary) (3)
(1): Service more frequently when used in dusty areas.
(2): Change engine oil every 25 hours when used under heavy load or in high ambient temperature.
(3): These items should be serviced by an authorized Honda dealer, unless the owner has the
proper tools and is mechanically proficient. See the Honda Shop Manual.
(4): For commercial use, log hours of operation to determine proper maintenance intervals.
17
1. Oil change
Drain the oil while the engine is still warm to assure rapid and
complete draining.
1. Turn the fuel valve to the OFF position (see page
).
15
2. Remove the oil filler cap and drain the oil into the oil container
by inclining the engine toward the oil filler neck.
3. Refill with the recommended oil and check the oil level (see
6
page
).
4. Install the oil filler cap.
ENGINE OIL CAPACITY: 0.55 (0.58 US qt , 0.48 Imp qt)
OIL FILLER NECK
Wash your hands with soap and water after handling used oil.
Please dispose of used motor oil in a manner that is compatible
with the environment. We suggest you take it in a sealed container
to your local service station for reclamation. Do not throw it in the
trash, pour it on the ground, or down a drain.
18
2. Air cleaner service
A dirty air cleaner will restrict air flow to the carburetor. To prevent
carburetor malfunction, service the air cleaner regularly. Service
more frequently when operating the engine in extremely dusty
areas.
Never use gasoline or low flash point solvents for cleaning the air
cleaner element. A fire or explosion could result.
Never run the engine without the air cleaner. Rapid engine wear
will result.
1. Remove the air cleaner cover by unhooking the two upper tabs
on the top of the air cleaner cover and the two lower tabs.
ELEMENT
AIR CLEANER COVER
UPPER TABS
LOWER TABS
2. Remove the element. Carefully check the element for holes or
tears and replace if damaged.
19
3. Tap the element lightly several times on a hard surface to
remove excess dirt, or blow compressed air through the filter
from the inside out. Never try to brush the dirt off; brushing will
force dirt into the fibers. Replace the element if it is excessively
dirty.
4. Install the element and air cleaner cover.
ELEMENT
20
3. Flywheel brake inspection (applicable types)
1. Remove the recoil starter by removing the three 6 mm nuts.
2. Remove the fuel tank taking care not to disconnect the fuel tube
from the fuel tank and fuel valve, and keeping the fuel tank to a
level.
6 mm NUTS
RECOIL STARTER
FUEL TANK
FUEL TUBE
3. Check the brake shoe thickness. If it is less than 3 mm (0.12 in),
replace it with new one.
BRAKE SHOE THICKNESS
BRAKE SHOE
4. Install the fuel tank and recoil starter, and tighten the three 6 mm
nuts securely.
21
4. Spark plug service
Recommended spark plug:
BPR6ES (NGK)
Never use a spark plug of incorrect heat range.
To ensure proper engine operation, the spark plug must be
properly gapped and free of deposits.
1. Remove the spark plug cap and use a spark plug wrench to
remove each spark plug.
If the engine has been running, the muffler will be very hot. Be
careful not to touch the muffler.
22
2. Visually inspect the spark plug. Discard the spark plug if there is
apparent wear, or if the insulator is cracked or chipped. Clean
the spark plug with a wire brush if it is to be reused.
3. Measure the plug gap with a feeler gauge. Correct as necessary
by bending the side electrode.
The gap should be:
0.70－0.80 mm (0.028－0.031 in)
0.70－0.80 mm
(0.028－0.031 in)
23
4. Check that the spark plug washer is in good condition and
thread the spark plug in by hand to prevent cross-threading.
5. After the spark plug is seated, tighten with a spark plug wrench
to compress the washer.
When installing a new spark plug, tighten 1/2 turn after the spark
plug seats to compress the washer. When reinstalling a used spark
plug, tighten 1/8－1/4 turn after the spark plug seats to compress
the washer.
The spark plug must be securely tightened. An improperly
tightened spark plug can become very hot and may damage the
engine.
24
5. Spark arrester maintenance (optional part)
If the engine has been running, the muffler will be very hot. Allow
it to cool before proceeding.
The spark arrester must be serviced every 100 hours to maintain
its efficiency.
1. Remove the muffler protector by removing the three 6 mm bolts.
2. Remove the spark arrester from the muffler by removing the
two screws. (Taking care not to damage the wire mesh.)
Check for carbon deposits around the exhaust port and the spark
arrester, and clean if necessary.
SCREW
SPARK ARRESTER
MUFFLER
SCREW
MUFFLER PROTECTOR
6 mm BOLTS
25
3. Use a brush to remove carbon deposits from the spark arrester
screen.
Be careful not to damage the spark arrester screen.
SCREEN
The spark arrester must be free of breaks and holes. Replace, if
necessary.
4. Install the spark arrester and the muffler in the reverse order of
disassembly.
26
TRANSPORTING/STORAGE
When transporting the engine, turn the fuel valve OFF and keep
the engine level to prevent fuel spillage. Fuel vapor or spilled fuel
may ignite.
Before storing the unit for an extended period;
1. Be sure the storage area is free of excessive humidity and dust.
2. Drain the fuel tank and carburetor into a suitable gasoline
container:
A.Turn the fuel valve to the OFF position.
B.Remove the carburetor drain bolt and drain the carburetor.
C.Turn the fuel valve to the ON position and drain the fuel in the
fuel tank into the container.
D.Retighten the carburetor drain bolt so that the float chamber
and washer cannot be warped, and turn the fuel valve to the
OFF position.
OFF
ON
FUEL VALVE
DRAIN BOLT
Gasoline is extremely flammable and is explosive under certain
conditions. Do not smoke or allow flames or sparks in the area.
27
3. Change the engine oil (page 18 ).
4. Pull the starter rope slowly until resistance is felt. This closes the
valves, and protects them from dust and corrosion.
5. Coat areas that may rust with a light film of oil. Cover the engine
and store it on a level surface in a dry, dust free area.
28
TROUBLESHOOTING
When the engine will not start:
1. Is the fuel valve ON?
2. Is there fuel in the fuel tank?
3. Is gasoline reaching the carburetor?
To check, loosen the drain bolt with the fuel valve ON.
If any fuel is spilled, make sure the area is dry before testing the
spark plug or starting the engine. Fuel vapor or spilled fuel may
ignite.
OFF
ON
DRAIN BOLT
FUEL VALVE
29
4. Is the control lever positioned properly (page 10 )?
5. Is the flywheel brake lever positioned to the RELEASED position
(page 11 )? (applicable types)
6. Is there a spark at the spark plug?
a. Remove the spark plug cap. Clean any dirt from around the
spark plug base, then remove the spark plug.
b.Install the spark plug in the plug cap.
c. Grounding the side electrode to any engine ground, pull the
recoil starter to see if sparks jump across the gap.
d.If there is no spark, replace the plug.
If OK, reinstall the spark plug and try to start the engine again
according to the isntructions.
7. If the engine still does not start, take the engine to an authorized
Honda dealer.
30
SPECIFICATIONS
Dimensions
Power equipment
description code
GCV135
GJAF
Length
Width
Height
351 mm (13.8 in)
331 mm (13.0 in)
353 mm (13.9 in)
9.5 kg (20.9 lbs)
Dry weight
Engine
Engine type
Displacement
Bore x Stroke
Max. output
Max. torque
Fuel consumption
Cooling system
Ignition system
PTO shaft rotation
Fuel tank capacity
Engine oil capacity
Engine oil
4-stroke, overhead cam, 1 cylinder
135 cm (8.2 cu-in)
64 x 42 mm (2.5 x 1.7 in)
3.3 kW (4.5 PS)/3,600 rpm)
9.7 N·m (0.99 kgf-m)/2,500 rpm
313 g/kWh (230 g/PSh)
Forced air
Transistor magneto
Counterclockwise
0.9 (0.24 US gal , 0.20 Imp gal)
0.55 (0.58 US qt , 0.48 Imp qt)
Service classification SG or SH; SAE 10W-30
BPR6ES (NGK)
Spark plug
Specifications may vary according to the types, and are subject to
change without notice.
31
Dimensions
Power equipment
description code
GCV160
GJAE
Length
Width
Height
367 mm (14.4 in)
331 mm (13.0 in)
360 mm (14.2 in)
9.8 kg (21.6 lbs)
Dry weight
Engine
Engine type
Displacement
Bore x Stroke
Max. output
Max. torque
Fuel consumption
Cooling system
Ignition system
PTO shaft rotation
Fuel tank capacity
Engine oil capacity
Engine oil
4-stroke, overhead cam, 1 cylinder
160 cm (9.8 cu-in)
64 x 50 mm (2.5 x 2.0 in)
4.1 kW (5.5 PS)/3,600 rpm
11.4 N·m (1.16 kgf-m)/2,500 rpm
313 g/kWh (230 g/PSh)
Forced air
Transistor magneto
Counterclockwise
1.1 (0.29 US gal , 0.24 Imp gal)
0.55 (0.58 US qt , 0.48 Imp qt)
Service classification SG or SH; SAE 10W-30
BPR6ES (NGK)
Spark plug
Specifications may vary according to the types, and are subject to
change without notice.
32
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