Zenoah Gt80 Twin User Manual

®
ENGINE INSTRUCTION MANUAL  
4
3
5
2
7
1
6
1
G26 Air  
G26/231Marine  
G26/G231 Heli  
2
3
4
G38  
G62  
GT80 Twin  
5
6
7
G45  
Very Important  
FAILURE TO READ AND FOLLOW THESE INSTRUCTIONS BEFORE YOU PROCEED MAY RESULT IN ENGINE  
DAMAGE AND THE VOIDING OF YOUR WARRANTY!  
Introduction  
Congratulations on purchasing a Zenoah® engine. Cared  
This instruction manual has been developed to ensure  
for properly, these high-quality, finely crafted engines will optimum performance from the Zenoah engine you have  
offer many years of reliability.  
purchased. It’s important that the instructions are read  
thoroughly prior to mounting and running the engine.  
Safety Instructions  
This manual describes the engine’s features and func-  
tions. For specific information on mounting, see the  
instruction manual included with the model airplane, heli-  
copter or boat in which you intend to install the engine.  
7. Use a thickly padded glove when hand starting  
the engine.  
8. Make all carburetor adjustments from behind  
the propeller.  
This model engine will give you considerable pleasure,  
satisfaction and performance if you strictly follow these  
safety instructions and take heed of the warnings as to  
the engine’s safe and proper use. This engine has more  
than enough power to cause harm if misused or if the  
safety precautions are not observed.  
9. To stop the engine, the black lead wire from the  
coil should be grounded to the engine body, or use the  
throttle linkage to shut off the air by closing the throttle  
valve completely.  
DO NOT USE HANDS, FINGERS OR ANY OTHER PART  
OF THE BODY TO STOP THE PROPELLER. DO NOT  
THROW ANY OBJECT INTO A PROPELLER TO STOP IT!  
Always  
10. Ensure that all spectators, especially children, are at  
least 20 feet away when you start running the engine.  
1. Use genuine parts for replacement.  
11. Make sure your fuel is kept in a safe place well away  
from sparks, heat or anything that could ignite the fuel.  
2. Check the propeller, rotor (helicopter) or screw  
propeller (boat) prior to each time the engine is used.  
If nicked, scratched, cracked or damaged in any way,  
replace it with a new one.  
Recommendations  
1. Use safety glasses or goggles when starting and  
running your engine.  
3. Use the correct size and pitch of propeller for your  
engine; refer to the propeller chart in this manual.  
2. Do not run the engine in the vicinity of loose gravel  
or sand. The propeller may throw such materials into  
your eyes. The engine could also ingest these harmful  
materials.  
4. It is extremely important to balance the propeller  
prior to installation of the engine. Failure to do so may  
cause damage to the Zenoah engine and/or the airframe.  
Securely tighten the propeller nut against the washer  
and propeller.  
3. Avoid loose clothing when operating your model  
engine, as it could become entangled in the propeller,  
creating the possibility of bodily harm. All loose objects  
(screwdrivers, pencils, nickel cadmium glow drivers,  
etc.) should be removed from your pockets so that they  
do not fall into the propeller.  
5. Inspect the tightness of the propeller nut prior to  
each flight.  
6. Keep your face and body away from the path of the  
propeller blades when starting or running your engine.  
3
Safety Instructions (continued)  
Caution  
Disassembly  
®
1. Model engines get very hot while running. Do not  
attempt to handle them until they have cooled.  
The Zenoah engine can be disassembled or reassem-  
bled without any specific difficulties. Refer to the Engine  
Maintenance Section for specific instructions on these  
procedures. If you need service to your Zenoah engine,  
please send it to the authorized service center at the  
following address:  
2. Always run your model engines in a well-ventilated  
area. Similar to automotive engines, model engines pro-  
duce harmful carbon monoxide fumes.  
3. Never modify the flywheel.  
Horizon Hobby, Inc.  
4. Check the flywheel. If it’s damaged, replace it with a  
new one.  
Attention: Zenoah Service  
4105 Fieldstone Road  
Champaign, IL 61822  
Phone: (217) 355-9511  
5. When mixing the fuel or operating the engine, do so  
in a well-ventilated area  
Engine Parts Identification  
6. Remember that model engines produce a substantial  
amount of power, more than enough to seriously injure  
people and/or do considerable damage to property.  
Always use common sense, skill and constant obser-  
vance of safety precautions.  
It’s important to be able to identify the parts of your  
Zenoah engines. Attached you will find an exploded view  
of Zenoah engines, as well as a chart including part  
numbers and descriptions. This will assist you in easily  
and rapidly identifying the respective parts of your  
Zenoah engine.  
Support Equipment  
The following items are not included with your Zenoah  
engine but are necessary for operation.  
Fuel—Mix gasoline and 2-stroke oil at a mixing ratio of  
25-40:1.  
Note: Be sure to use a gasoline-resistant fuel  
tubing (do not use any silicone rubber tube).  
Never use any alcohol fuel or alcohol-added  
fuel as this will damage the rubber part of  
the carburetor.  
Propeller—Refer to the Propeller Selection Chart located  
on Page 8 to determine the best initial propeller for your  
particular application.  
Manual or Electric Starter—For manual starts, a  
chicken stick is highly recommended. Never use your  
fingers to start any model engine as you could be  
injured. If you must hand-start a gasoline engine, be  
sure to protect your hand with a heavily padded glove.  
There are a variety of heavy-duty electric starters on the  
market that can be used.  
Zenoah Oil  
ZEN20001  
Zenoah Start Kit  
ZEN20002  
4
Mounting the Engine  
Make sure the engine is mounted on the aircraft using  
aircraft grade plywood that’s at least 6mm in thickness  
for the G26 engine, and 10mm in thickness for the G38  
through GT80 twin, or a mount of equivalent strength.  
Make sure it’s firmly mounted with 4 bolts.  
1. Be sure to set flat washers or a metal plate on the  
reverse side of the mount to prevent the bolts from sink-  
ing into the mount. Periodically check the engine mount  
for loose bolts.  
2. Since the engine is equipped with a floatless carbure-  
tor with a diaphragm pump, the direction of the cylinder  
and position of the fuel tank can be freely selected.  
3. If the engine is mounted on a shock (rubber) mount  
placed between the engine and the firewall for anti-vibra-  
tion, check the hardness of the rubber, making sure it’s  
not too soft, in order to avoid excessive vibration during  
engine operating rpms. Note carefully if the engine is  
vibrating at idle, as excessive vibration can result in  
erratic engine operation due to overflow at the carburetor.  
4. It is suggested that the bolts for the muffler be coated  
with threadlock when mounting the muffler to the engine.  
Operation  
Break-In  
Coil  
No specific break-in is required. The engine is gradually  
broken-in as it is used, and the output power increases  
gradually as the engine breaks in.  
Starting the Engine—Aircraft  
Magnet  
Before attempting to start the engine, be sure to read  
through all the steps for starting the engine as outlined  
below:  
Fig 1-A  
Fig 1-B  
1. Make sure the spark (glow) plug(s) are installed and  
tightened. Check the condition of the plug cap for cracks  
or breaks.  
Zenoah engines are equipped with the ultra compact  
C.D.I. type flywheel magneto ignition system and should  
be started according to the following procedure:  
2. Be sure the propeller is properly secured.  
Note: The magneto system is timed in such a  
way that when the compression stroke starts  
(refer to Figure 1-A) sparks are never produced  
on the spark plug, no matter how fast the pro-  
peller is flipped. The correct starting procedure  
is to quickly flip the propeller when the edge of  
the magnet on the rotor is approaching the coil  
(Figure 1-B). This means that the propeller  
should be quickly flipped at about 90 degrees  
in crank angle before the compression stroke is  
about to start.  
3. Make sure the fuel tank line(s) are properly connected.  
The main line should be connected to the carburetor  
spray bar.  
4. Be certain the mufflers are installed properly.  
5. Fill the fuel tank.  
6. Choke the engine and turn the propeller through a  
few times until the fuel appears at the carburetor.  
7. Set the throttle valve at the idle position or at the  
position slightly open from idle.  
5
Operation (continued)  
8. Quickly flip the propeller in a counterclockwise  
direction according to the procedure described in  
the note above.  
body, or the throttle valve should be closed completely.  
Installation of a “stop” or “kill” switch is recommended.  
Red Lead  
9. The engine should start after a few flips of the  
propeller.  
Black Lead  
10. Be sure to open the choke when the initial firing  
of the engine is heard.  
11. When the choke is opened, be sure to close the  
throttle valve to a position near the idle position before  
the next flipping of the propeller is attempted.  
CAUTION: If the engine is started when the throt-  
tle is wide open, a great thrusting force will be  
generated, which can be very dangerous.  
Engine  
Body  
Kill Switch  
Ground  
12. If you do not use a chicken stick to start the engine,  
be sure to wear a thick glove when flipping the propeller  
and use all fingers, except the thumb, for the flipping  
operation.  
Refer to the example shown in the following diagram.  
Carburetor Adjustment  
The carburetor is provided with three adjustment screws,  
which are factory set to the best (approximate) posi-  
tions. They may need minor adjustment, depending upon  
the temperature, humidity, atmospheric pressure (alti-  
tude), etc., of the area where the engine is being used.  
13. Do not over-rev the engine. These engines are  
designed to develop maximum output with the standard  
muffler and the recommended propeller size. Please  
refer to the propeller chart on page 10 to confirm the  
®
proper propeller for the applicable Zenoah engine.  
Low-Speed Needle  
High-Speed Needle  
Starting the Engine— Helicopter and  
Boat  
1. Fill the tank with fuel.  
2. Push the priming bulb located on the carburetor until  
fuel appears in the priming bulb (for helicopter).  
Idle Screw  
3. Choke the engine and open the throttle valve approxi-  
mately 1/3–1/2 of the full open position.  
1. Start the engine without making any adjustments.  
4. Quickly pull the starter cord until the initial firing of  
the engine is heard.  
2. Make adjustments only when the engine shows signs  
of inefficient operation.  
5. When the initial firing is heard, open the choke, set  
the throttle valve at the idle position or at the position  
slightly open from the idle position and quickly pull the  
starter cord a few more times until the engine starts.  
3. Standard settings of each needle is as follows:  
a. Low-Speed Needle: 11/8 plus/minus 1/4  
b. High-Speed Needle: 13/8 plus/minus 1/4  
6. For helicopter operation, you should adjust the rotor-  
pitch to obtain a 9,000 to 10,000 rpm of the engine at  
full throttle operation.  
Idle Screw: Turning this screw clockwise increases the  
idling rpm. Turning it counterclockwise decreases the  
idling rpm.  
Stopping the Engine  
The ability to shut down the engine in an emergency is  
extremely important. For stopping the engine, the black  
lead wire from the coil should be grounded to the engine  
Low-Speed Needle: This is the fuel adjust screw (not  
the air screw). Turning this needle clockwise makes the  
gas mixture leaner, and turning it counterclockwise  
makes it richer.  
6
Operation (continued)  
High-Speed Needle: Turning this needle clockwise  
makes the gas mixture leaner, and turning it counter-  
clockwise makes it richer. Set this needle at a position  
which is 1/4 open from the maximum rpm position while  
the aircraft is on the ground.  
When the engine has just started and is not warm  
enough, there may be insufficient acceleration  
and the engine may die. Be sure to allow the  
engine to warm up at idle for a few minutes  
before conducting normal operation.  
Note: Do not tighten the high and low speed  
needles too tightly.  
Engine Care and Maintenance  
• Engine oil  
Recommendations  
To extend the life of your Zenoah® engine, the following  
is recommended:  
• Washing gasoline  
• Brush  
1. Use a Zenoah quality 2-stroke oil mixed at 32 to 1.  
2. Use the recommended spark plugs.  
• Scraper  
• Cloth  
3. Use the proper propeller size and balance the pro-  
peller prior to use.  
The engine can be disassembled or reassembled without  
any specific difficulties, but note the following:  
4. Always adjust the engine to a slightly rich setting.  
For disassembling, the special tools shown in the parts  
list are required (stopper, puller assembly), in addition  
to general tools. Be sure to use a new gasket when the  
crankcase and cylinder have been disassembled.  
5. For long-term storage, make sure there is no fuel left  
in the tank or the engine. Remove the spark plug(s) and  
apply several drops of high-quality oil (e.g., Marvel Air  
Tool Oil) to the top of the engine and into the spark plug  
hole. Rotate the crankshaft several times. Store the  
engine in the box it came in or on the airplane with the  
nose down in order to keep oil in the bearings.  
Note: Because the crankshaft is of the assembly type,  
do not disassemble, hit or twist its end.  
Disassembly  
1. Dismount the engine from the model.  
Servicing the Engine  
Required Tools  
2. Remove the carburetor and insulator carefully without  
damaging the gasket.  
• Regular screwdriver  
3. Remove the muffler.  
• Phillips screwdriver  
4. Remove the spark plug and ignition module.  
5. Remove the propeller hub.  
• Hexagonal wrench (4mm/5/32")  
• Open wrench (19mm/3/4")  
• Plastic hammer  
6. Remove the rotor (flywheel). If it cannot be detached,  
use a plastic hammer and tap the part lightly.  
• Thickness gauge  
a. Screw the stopper in place of the spark plug, then  
turn the rotor counterclockwise until the piston  
touches the stopper. Take care, as it can cause dam-  
age to the piston or connecting rod if the stopper is  
not screwed in to the bottom.  
• Tapered round rod  
• Liquid gasket (Permatex or equivalent)  
• Threadlock (Blue Threadlock Z-42 or equivalent)  
• Lithium grease  
b. Loosen and remove the rotor securing nut.  
7
Engine Care and Maintenance (continued)  
c. Remove the rotor by using the puller. Do not hit  
the crankshaft with the plastic hammer, as this can  
increase the runout of the shaft.  
7. Wipe the contact surfaces of the cylinder block  
and crankcase, and apply liquid gasket (Permatex  
or equivalent).  
7. Remove the mounting plate.  
8. Put the piston in the cylinder, with the piston’s arrow  
facing in the exhaust port direction. Set the crankshaft  
to the cylinder block. Then, fit the oil seal to the cylinder  
block. The snap ring joint should be set vertically to  
the cylinder.  
8. Remove the four bolts from the crankcase.  
9. Tap around the case fitting side gently with the plastic  
hammer and slowly separate the crankcase from the  
cylinder block.  
9. Fit the crankcase to the cylinder block and tighten  
10. Pull out the crankshaft with the piston, bearings, and the bolts.  
other parts attached.  
10. Check that the crankshaft can be smoothly turned  
by hand.  
11. Remove the Woodruff key from the crankshaft.  
12. Remove the oil seal, snap ring and bearings.  
13. Remove the circlip and pull out the piston pin.  
11. Put back the Woodruff key.  
12. Replace the rotor (flywheel), fitting it to the Woodruff  
key. Tighten the hub nut after having applied threadlock  
(Blue Threadlock Z-42 or equivalent) to the threads.  
14. Remove the thrust washers and needle bearing from  
the smaller end of the connecting rod (G38).  
13. Apply threadlock (Blue Threadlock Z-42) to the muf-  
fler bolts and mount the muffler.  
15. Remove the piston ring.  
16. Wash each part. Check for abrasion and damage, and  
replace any part that is defective.  
14. Apply threadlock (Blue Threadlock Z-42) to the igni-  
tion module set screws and fix the coil temporarily.  
15. Set the rotor (flywheel) so that the magnet is located  
on the opposite side of the module (G-38). Place a thick-  
ness gauge between the core of the module and rotor  
(flywheel) and adjust the clearance to 0.25 ^ 0.35 mm  
(0.01 ^ 0.014 in). Then tighten the set screws after  
having applied threadlock (Blue Threadlock Z-42)  
to them.  
Assembly (G38)  
1. Apply engine oil (SAE #30) to the inside of the  
cylinder and to the needle bearings on the larger end  
of the connecting rod.  
2. Fit the piston ring to the piston.  
3. Mount the needle bearing and thrust washer (with  
its oil slot facing inside) to the smaller end of the con-  
necting rod and apply engine oil (SAE #30).  
16. Using a new gasket, fix the insulator with screws  
to which threadlock (Blue Threadlock Z-42) has been  
applied.  
4. With the arrow on the top of the piston facing the  
straight side (opposite side to the propeller) of the  
crankshaft, fit the piston to the top of the connecting  
rod and insert the piston pin with its blank end to the  
exhaust port side.  
17. Using a new gasket, mount the carburetor with  
screws, paying attention to its mounting direction.  
18. Tighten the mounting plate, using screws with  
threadlock (Blue Threadlock Z-42) applied.  
19. Install the spark plug.  
5. Fit the circlip.  
6. Fit the bearings, snap ring and oil seal to the crank-  
shaft. (Apply lithium grease to the lip area of the oil seal  
and fit it, paying attention to its direction.)  
Note: Disassembly and assembly steps were  
written using a G38 engine as an example, but  
they apply to all engines.  
8
Engine Care and Maintenance (continued)  
Maintenance Chart  
Items  
Every 100 hours  
Note  
Every 25 hours  
Action  
Before Use  
Leakage,  
Damage/Crack  
;
;
;
Check  
Losing Speed  
Air-cleaner (PUH)  
Spark Plug (gap)  
Cylinder (barrel)  
Piston, Ring  
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
;
Check/Adjust  
Check/Cleaning  
Check/Adjust  
;
;
Replace if necessary  
G
G
G
G
G
G
G
G
G
Check/Cleaning  
Check/Cleaning  
Check/Cleaning  
Check/Cleaning  
Check/Alignment  
Check  
Muffler & Bolt  
Bearings  
;
;
Crankshaft  
Rotor  
;
;
;
Propeller Hub (PU)  
Water Jacket (PUM)  
Check/Alignment  
Check/Leakage  
Specifications & Technical Data  
Items  
Type  
Unit  
––  
G260PUM  
G260PUH  
G231PUM  
G260PU  
Air Cooled  
34 x 28  
25.4  
G231PUH  
Air Cooled  
A
Water Cooled  
A
Air Cooled  
A
Water Cooled  
32 x 28  
Bore x Stroke  
Displacement  
mm  
cm3  
A
A
22.5  
A
Effective  
Compression Ratio  
––  
A
A
A
8.4  
A
Type (Walbro)  
Venturi (mm)  
WT-644  
A
WT-677  
A
WT-644  
A
WT-645  
12.7  
WT-677  
A
Carburetor  
Air Cleaner  
Starting  
––  
Dry Type  
––  
––  
Dry Type  
Hand Flipping or  
Electric Motor  
––  
Recoil Starter  
A
A
A
CDI  
28/7000  
RZ7C  
––  
Type  
BTDC/rpm  
STD  
A
30/7000  
A
A
A
A
––  
A
A
A
A
A
––  
Ignition  
A
Spark Plug  
Option  
CMR8H/7H  
CMR6H/7H  
1800  
APC 18 x 8  
rpm  
3500  
Idle Speed  
3000  
3500  
3000  
Max. Power  
Min. Torque  
Fuel Consumption  
Weight  
rpm  
rpm  
cc  
2.16/12000  
1.94/9500  
710  
1.71/13000  
1.42/9500  
760  
2.09/12000  
1.79/10000  
720  
1.62/12000  
1.48/9000  
790  
1.58/13000  
1.34/9000  
700  
kg  
1.54  
1.77 (*1.57)  
1.55  
1.69 (* 1.52)  
1.78 (*1.58)  
9
Engine Care and Maintenance (continued)  
Maintenance Specifications  
Standard  
Limit  
Standard  
Limit  
Items  
Remarks  
Measuring Device  
Cylinder  
Piston  
ø34  
Plating damaged  
ø32  
Plating damaged  
Bore (mm)  
Eye Checking  
At the skirt end and  
the right angle to the  
piston pin  
ø31.87  
Micro Meter  
ø33.97  
ø33.87  
ø31.97  
Diameter (mm)  
Piston Ring  
Groove Width (mm)  
1.01  
1.11  
1.01  
1.11  
Thickness Gauge  
Cylinder Gauge  
ø8.01  
ø8.05  
ø8.01  
ø8.05  
Piston Ring Hole (mm)  
Micro Meter  
Cylinder Gauge  
Clearance between Piston  
and Cylinder (mm)  
0.03–0.05  
0.15  
0.03–0.05  
0.15  
Clearance between Groove  
and Piston Ring (mm)  
0.02–0.04  
0.05–0.25  
0.1  
0.5  
0.02–0.04  
0.05–0.25  
0.1  
0.5  
Thickness Gauge  
Thickness Gauge  
When inserted in a  
new cylinder  
End Gap (mm)  
Width (mm)  
Piston  
Ring  
0.98  
ø8  
0.93  
0.98  
ø8  
0.93  
Micro Meter  
Micro Meter  
Piston Pin Diameter (mm)  
Connecting Rod small end (mm)  
Crankshaft Dia. at Main Bearing (mm)  
ø7.98  
ø7.98  
ø11.05  
ø11.98  
0.07  
Cylinder Gauge  
ø11  
ø12  
––  
ø11.05  
ø11.98  
0.07  
ø11  
ø12  
––  
Micro Meter  
Dial Gauge  
Eccentricity (mm)  
Axial Play (mm)  
––  
0.5  
––  
0.5  
Thickness Gauge  
Gritty or  
Has Flat Spot  
Gritty or  
Has Flat Spot  
––  
––  
––  
Main Bearing  
10  
Troubleshooting Guide for Gasoline Engines  
Generally speaking, there are very few things that will  
keep today’s modern engines from starting. Use good  
quality “fresh” fuel and make sure that good plugs are  
installed. Should the engine fail to start after these items  
are verified, refer to the charts on the following page.  
a) The engine does not start.  
Seizure, intrusion of a foreign substance  
The crankshaft  
does not rotate  
Disassemble and repair  
Clogging inside the  
Disassemble and clean  
carburetor  
The fuel has not been fed to  
the carburetor  
The crankshaft  
rotates  
Clogging of the fuel  
Clean  
piping  
Loosened  
spark plug  
Abrasion or damage of  
the cylinder, piston, or  
piston ring  
The fuel has been fed to the  
carburetor  
Tighten further  
No compression  
(normally 7 kg/cm2  
99.5 psi or more)  
Replace  
Compression adequate  
The spark plug does not spark  
The spark plug does spark  
Wet plug  
Remove the spark  
plug and dry it  
The Stop switch has  
been turned off  
Wiring is disconnected  
The spark plug is defective  
The ignition module is defective Replace  
The air gap is too large  
The spark plug gap is too large  
Turn on  
The carburetor has  
not been properly  
adjusted  
The fuel is not  
suitable  
Repair  
Replace  
Readjust  
Replace  
Adjust  
Adjust  
b) The engine stops by itself  
The crankshaft does not rotate  
or is abnormally heavy  
It suddenly stops  
See a)  
The crankshaft  
rotates  
Put back  
Repair  
The plug cap has come off  
Wiring disconnection  
Spark plug bridge  
Use a standard plug  
Use clean fuel  
The Stop switch has  
been turned off  
Turn on  
It slows down and stops  
Out of fuel  
Refuel  
Not out of fuel  
The fuel is not fed to the carburetor  
Water is mixed in the fuel  
See a)  
Replace  
c) Lower power output  
Readjust  
Repair  
Replace  
Replace  
Clean  
The carburetor has not beeen properly adjusted  
Air suction from a carburetor joint or oil seal  
Abrasion of the piston ring  
The fuel is not suitable  
Clogging of the muffler or exhaust port due to carbon  
Overheating  
Replace  
The spark plug heat range is not proper  
d) The engine does not stop  
Overheating  
The Stop switch is defective  
Switch wiring is disconnected  
See c)  
Repair  
Repair  
11  
Troubleshooting Guide for Gasoline Engines  
(continued)  
In the event that none of the above procedures result  
in the engine running properly, contact our service  
department for suggestions at:  
Horizon Hobby, Inc.  
4105 Fieldstone Road  
Champaign, IL 61822  
Phone: 217-355-9511 (M–F 8:00–5:00 CST)  
Propeller Chart  
This chart enables you to select the best propeller for  
initial setup of your Zenoah® engine.  
Note: All recommendations are based on engines using  
APC brand props.  
Remember, it’s imperative to balance each propeller  
prior to installation onto your Zenoah engine. Failure to  
do so may cause unwanted vibration in your aircraft.  
ENGINE  
G26A  
PROPELLER  
16x8 @ 8,700  
G231 Heli  
G26 Heli  
Adjust pitch of rotor to obtain  
9,000–10,000 rpm of the  
engine at full throttle  
G26 Marine  
G231 Marine Diameter=65–75mm  
Pitch ratio 1.9–1.4mm  
G38 Gas  
G45 Gas  
G62 Gas  
GT80 Gas  
18x10 @ 7,300  
20x10 @ 7,200  
22x10 @ 7,200  
22x12 @ 7,200  
24x10 @ 7,200  
12  
Engine Specifications  
OUTSIDE DIMENSIONS (MM)  
Optional  
Mufflers  
Operating  
RPM  
Items  
Length  
Width  
Height  
G26A  
G26M  
G26H  
139mm  
139mm  
139mm  
105mm  
105mm  
105mm  
181mm  
181mm  
181mm  
2,000–10,000  
2,000–10,000  
2,000–10,000  
BIS07123  
G231 HELI  
G231 MARINE  
G38  
142mm  
142mm  
105mm  
105mm  
130mm  
130mm  
140mm  
257mm  
181mm  
181mm  
215mm  
185mm  
185mm  
190mm  
3,000–11,000  
3,500–15,000  
2,000–9,000  
2,000–10,000  
2,000–10,000  
1800–10,000  
170mm  
BIS07138  
BIS07145  
BIS07163  
BIS07445/6  
G45  
152mm  
G62  
162.5mm  
191.5mm  
GT80  
SPECIFICATIONS  
Carb  
(Walbro)  
K
(ISO)  
HP  
(H/M)  
Displacement  
Bore  
(in)  
Stroke  
(in)  
Weight  
(oz)  
(cu in)  
1.55  
1.4  
M8x1.25/6x1  
2.4  
2.2  
2.2  
3.3  
4.75  
6
WT645/WT644/WT677  
WT644/WT643  
WT338/WTA-6A  
HDA-48D  
G26A/M/H  
G231M/H  
G38  
1.41  
1.3  
1.1  
54/57  
54  
M8x1.25  
M10x1.25  
8x1  
1.1  
2.3  
1.5  
1.3  
67  
G45  
2.74  
3.8  
1.69  
1.9  
1.22  
1.4  
74  
10x1  
HDA-48D  
G62  
73  
WJ-64  
GT80  
4.8  
1.59x2  
1.22x2  
126  
* w/spring starter  
13  
Exploded Illustration  
G26/G231  
14  
Quantity per unit  
Key # Zen Part #  
HH Part #  
Description  
G260 G260 G260 G231 G231  
PU PUM PUH PUM PUH  
1-1  
1- 2  
2-1  
2-2  
3
4
5
6
7
8
9
T2075-12110  
T2077-12110  
T2076-12110  
T2078-12110  
T2076-12210  
07851-00515  
07000-13040  
T2076-12320  
1160-12330  
T2075-13120  
3310-12281  
T2075-13150  
1148-13162  
T2075-14120  
T2075-2111  
ZEN2601  
CYLINDER  
CYLINDER  
CYLINDER  
CYLINDER  
JACKET  
JOINT  
1
1
6
1
1
1
1
1
1
3
1
1
2
1
1
1
1
2
1
1
2
1
6
1
1
1
1
1
1
3
1
1
2
1
1
1
1
6
1
1
2
1
1
1
3
1
1
2
1
1
1
1
2
1
1
2
1
6
1
1
1
1
1
1
3
1
1
2
1
1
1
1
6
1
1
2
1
1
1
3
1
1
2
1
1
ZEN2301RC  
ZEN2601M  
ZEN23102M  
ZEN23103M  
ZEN2304M  
ZEN32105M  
ZEN23106M  
ZEN23107M  
ZEN23108  
ZEN2309  
ZEN23110  
ZEN23111  
ZEN23112  
ZEN23114  
0-RING 3 x 40  
O-RING 1.5 x 15.5  
BOLT M3 x 8  
GASKET, CYLINDER  
BOLT M5X20  
GASKET, INSULATOR  
INSULATOR  
GASKET, CARBURETOR  
CRANKCASE, COMPLETE  
CRANKCASE, REAR  
CRANKCASE, FRONT  
PIN  
GASKET  
SEAL, 12 x 22 x 7  
BEARING  
SNAPRING  
BEARING  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
2629-21130  
T2075-21140  
2169-21210  
1155-21240  
04065-02812  
06034-06001  
1850-21220  
ZEN6213  
ZEN23116  
ZEN2317  
ZEN2318  
ZEN2319  
ZEN2320  
ZEN2321M  
SEAL, 12 x 28 x 7  
14  
Exploded Illustration  
G26/G231 continued  
Quantity per unit  
Key # Zen Part #  
HH Part #  
Description  
G260 G260 G260 G231 G231  
PU PUM PUH PUM PUH  
22  
01252-30530  
T2088-41110  
T2070-41110  
T2088-41210  
T2070-41210  
1600-41310  
1101-41310  
1260-41320  
5500-41410  
1101-41340  
T2075-42000  
1155-74110  
0262-10516  
1650-43230  
1160-75210  
1861-75101  
0263-30414  
1000-43240  
1140-43250  
2629-71210  
1160-71211  
1155-71110  
0260-30422  
0263-30414  
T2075-72210  
1400-72121  
2629-71311  
3699-91809  
3699-91975  
0263-30565  
1142-83110  
848ES08300  
848EP18300  
1000-03030  
T2075-81000  
T2076-81000  
ZEN2322  
ZEN2623  
ZEN2320RC  
ZEN26224  
ZEN2321RC  
ZEN2625  
ZEN2325  
ZEN2326  
ZEN2327  
ZEN2328  
ZEN23129  
ZEN2330  
ZEN2331  
ZEN2332  
ZEN2333M  
ZEN2634  
ZEN2341  
ZEN6227  
ZEN2337  
ZEN6236  
ZEN2339M  
ZEN2354  
ZEN6241  
ZEN2341  
ZEN2638  
ZEN6239  
ZEN6237  
ZEN26451  
ZEN2667M  
ZEN2648  
ZEN2647  
ZEN2649  
ZEN23150H  
ZEN2650  
ZEN2651  
ZEN23151  
ZEN23152  
ZEN2359  
ZEN2360  
ZEN2361  
ZEN2362  
ZEN23156  
ZEN2357  
ZEN2357H  
ZEN2358  
BOLT, M5 x 30  
PISTON  
PISTON  
RING  
RING  
PISTON PIN  
PISTON PIN  
SNAP RING  
BEARING  
4
1
1
1
2
1
2
1
1
3
1
1
1
1
1
2
2
1
1
1
1
2
2
1
1
1
1
1
1
1
1
2
1
1
1
4
1
1
1
2
1
2
1
1
3
1
1
4
1
1
1
1
2
2
1
1
1
1
1
2
2
1
1
1
1
4
1
1
1
2
1
2
1
1
3
1
1
4
1
1
1
1
2
2
1
1
1
1
2
1
1
2
2
1
1
1
1
1
4
1
1
1
2
1
2
1
1
3
1
1
4
1
1
1
1
2
2
1
1
1
1
1
2
2
1
1
1
1
4
1
1
1
2
1
2
1
1
3
1
1
4
1
1
1
1
2
2
1
1
1
1
2
1
1
2
2
1
1
1
1
1
23-1  
23-2  
24-1  
24-2  
25-1  
25-2  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38-1  
38-2  
39  
40  
41  
42  
43  
44  
45  
WASHER  
CRANKSHAFT, COMPLETE  
MOUNT, PLATE  
SCREW, M5 x 16  
NUT, M8  
PULLEY  
RECOIL ASSEMBLY  
SCREW, M4 x 14  
KEY  
SHIM  
COIL, (GREY)  
COIL, (RED)  
ROTOR  
SCREW M4 x 22  
SCREW M4 x 14  
PLUG CAP  
SPRING  
COIL  
SPARK PLUG RZ7C  
SPARK PLUG MARINE ONLY  
SCREW, M5 x 55  
SPACER, 5 x 10 x 1.6  
AIR TUNNEL (VENTURI)  
CLEANER ASSEMBLY  
TUBE  
CARBURETOR ASSY WT-645  
CARBURETOR ASSY WT-644  
CARBURETOR ASSY WT-643  
HUB  
STUD  
WASHER  
NUT, M8  
GASKET, MUFFLER  
BOLT, M5 x 50  
BOLT, M5 x 60  
SCREW, M4 x 8  
46  
47  
48  
49  
50  
51-1  
51-2  
51- 3 T2077-81000  
52  
53  
54  
55  
56  
57-1  
57-2  
58-1  
58-2  
59-1  
59-2  
60  
1152-43260  
1152-43281  
1152-43290  
3350-53410  
1140-13141  
01252-30550  
01252-30560  
0263-30408  
0263-90416  
T2075-15110  
1148-08010  
1145-15412  
1158-15420  
T3039-91310  
T2075-98110  
ZEN2358H/RC SCREW, M4 x 16  
ZEN2655  
ZEN2355  
ZEN2366  
ZEN2367  
MUFFLER  
MUFFLER  
SPACER  
SPACER  
61  
62  
ZEN23124RC SOCKET  
ZEN23144 OPTION FOR G260PUM/  
G231PUM ONLY  
1
1
15  
Exploded Illustration  
G38  
(Standard Accessory for  
G380PU)  
Q’ty/  
Q’ty/  
unit  
Q’ty/  
unit  
Index  
No.  
Index  
Index  
No.  
unit  
Part No.  
Part No.  
Description  
Description  
MODULE  
ROTOR (NEW)  
SPACER (MODULE)  
PLUG CAP (BLACK)  
CAP SPRING  
Part No.  
ZEN3801 CYLINDER  
ZEN3802 INSULATOR  
ZEN3803 CARB GASKET  
ZEN3804 INSULATOR SCREW  
ZEN3805 INSULATOR GASKET  
ZEN3806 MUFFLER ASSEMBLY  
No.  
Description  
1
1
3
1
1
1
3
1
1
2
1
4
1
1
21 ZEN3821 PIN RETAINER  
22 ZEN3822 CONROD SPACER  
23 ZEN3823 CONROD BEARING  
24 ZEN3824 CRANKSHAFT  
25 ZEN3825 CRANKSHAFT BEARING  
26 ZEN3826 FRONT OIL SEAL  
27 ZEN3827 SNAP RING  
28 ZEN3828 REAR OIL SEAL  
29 ZEN3829 KEY  
30 ZEN3830 ROTOR NUT  
31 ZEN3831 LOCK WASHER  
32 ZEN3832 ROTOR WASHER  
33 ZEN3833 PROP HUB (NEW)  
34 ZEN3834 HUB BOLT  
35 ZEN3835 PROP WASHER (NEW)  
36 ZEN3836 PROP BOLT (NEW)  
2
2
1
1
2
1
1
1
1
1
1
1
1
2
1
2
37 ZEN3837  
38 ZEN3838  
39 ZEN3839  
40 ZEN6238  
41 ZEN6239  
42 ZEN6242  
43 ZEN3843  
44-1 ZEN3844  
44-2 ZEN3850  
45 ZEN3845  
46 ZEN3846  
47 ZEN3847  
ZEN3870  
1
2
3
4
5
6
1
1
1
2
1
1
1
2
1
4
4
1
1
1
1
1
SPARK PLUG, C859  
MODULE BOLT  
11 ZEN3811 MUFFLER GASKET  
12 ZEN3812 MUFFLER BOLT  
13 ZEN3813 CRANKCASE  
14 ZEN3814 CASE BOLT  
15 ZEN3815 CASE WASHER  
16 ZEN3816 CASE PLUG  
17 ZEN3817 PLUG GASKET  
18 ZEN3818 PISTON  
CARB ASSY (HT-338) W/CHOKE  
CARB ASSY (WTA-6) W/O CHOKE  
CARB SCREW  
MOUNT  
G380PU  
for  
}
MOUNTING BOLT  
GASKET SET  
SCREW/NUT SET  
ZEN3871  
19 ZEN3819 PISTON RING  
20 ZEN3820 PISTON PIN  
16  
Exploded Illustration  
G45  
Index  
Q’ty/  
unit  
Q’ty/  
unit  
Q’ty/  
unit  
Index  
No.  
Index  
No.  
Part No.  
Description  
No. Part No. Description  
Part No.  
Description  
1
2
3
4
5
6
7
8
9
ZEN4501 CYLINDER  
1
1
1
2
1
1
4
1
1
2
2
1
3
1
2
1
1
1
1
21 ZEN4504 BOLT  
22 ZEN4522 PIPE  
23 ZEN4523 PISTON  
24 ZEN4524 PISTON RING  
25 ZEN4525 PISTON PIN  
26 ZEN6223 PIN RETAINER  
27 ZEN6224 CONROD BEARING  
28 ZEN4528 WASHER  
29 ZEN4529 CRANKSHAFT COMP.  
30 ZEN6228 SHIM  
4
1
1
2
1
2
1
2
1
0-2  
1
1
1
2
1
1
1
1
40 ZEN6237 IGNITION COIL  
41 ZEN6238 PLUG CAP (BLACK)  
42 ZEN6239 CAP SPRING  
43 ZEN4543 SOURCE COIL SCREW  
44 ZEN6241 COIL SCREW  
45 ZEN6242 SPARK PLUG  
46 ZEN6243 CARBURETOR ASSEMBLY  
47 ZEN4547 BOLT  
1
1
1
2
2
1
1
2
2
2
1
1
4
4
1
1
1
1
ZEN4502 INSULATOR  
ZEN4503 INSULATOR GASKET  
ZEN4504 BOLT  
ZEN6204 CARBURETOR GASKET  
ZEN4506 CYLINDER GASKET  
ZEN4504 BOLT  
ZEN6207 MUFFLER  
ZEN6208 MUFFLER GASKET  
48 ZEN6245 WASHER  
49 ZEN6246 WASHER  
50 ZEN6247 BOLT  
10 ZEN6209 MUFFLER BOLT  
11 ZEN6210 MUFFLER NUT  
13 ZEN4513 CRANKCASE COMP.  
14 ZEN6213 CASE PIN  
15 ZEN6214 SNAP RING  
16 ZEN6215 BEARING  
17 ZEN6216 REAR OIL SEAL  
18 ZEN6217 FRONT OIL SEAL  
19 ZEN6276 ELBOW FUEL NIPPLE  
20 ZEN4520 CASE GASKET  
31 ZEN6227 KEY  
32 ZEN6229 FLYWHEEL NUT  
33 ZEN6230 PROP HUB  
34 ZEN6232 HUB BOLT  
35 ZEN6233 WASHER  
36 ZEN6234 PROP BOLT  
37 ZEN6257 MAGNETO ASSEMBLY  
38 ZEN6235 ROTOR  
51 ZEN6248 MOUNT  
52 ZEN6249 BOLT  
53 ZEN6250 WASHER  
54 ZEN6251 PULLER ASSEMBLY  
55 ZEN6252 STOPPER (OPTIONAL)  
56 ZEN6253 GUIDE (OPTIONAL)  
57 ZEN4557 WRENCH (OPTIONAL)  
*
for G450PU  
}
39 ZEN6236 SOURCE COIL  
1
17  
Exploded Illustration  
G62  
(Accessory for G620PU-1)  
*
Index  
Index  
No.  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
Q’ty/  
unit  
4
1
1
2
1
2
1
2
1
0-2  
1
1
2
1
Q’ty/  
unit  
Index  
Q’ty/  
unit  
1
1
1
1
1
4
1
1
2
2
1
3
1
2
1
1
1
4
1
Part No.  
ZEN6221  
ZEN6222  
ZEN6223  
ZEN6224  
ZEN6225  
ZEN6226  
ZEN6227  
ZEN6228  
ZEN6229  
ZEN6230  
Part No.  
ZEN6239  
ZEN6240  
ZEN6241  
ZEN6242  
ZEN6243  
ZEN6244  
ZEN6245  
ZEN6246  
ZEN6247  
ZEN6248  
ZEN6249  
ZEN6250  
ZEN6251  
ZEN6252  
ZEN6253  
ZEN6200  
ZEN6255  
ZEN6256  
ZEN6257  
No.  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
Description  
PISTON RING  
PISTON PIN  
Description  
No. Part No. Description  
1
2
3
4
5
6
7
8
PLUG CAP SPRING  
IGNITION COIL SCREW  
SOURCE COIL SCREW  
SPARK PLUG, C859  
CARBURETOR ASSEMBLY  
CARB MOUNT SCREW  
CARB WASHER  
ZEN6201  
ZEN6202  
ZEN6203  
ZEN6204  
ZEN6205  
ZEN2309  
ZEN6207  
ZEN6208  
ZEN6209  
ZEN6210  
ZEN6211  
ZEN6213  
ZEN6214  
ZEN6215  
ZEN6216  
ZEN6217  
ZEN6218  
ZEN6219  
ZEN6220  
CYLINDER  
2
2
1
1
2
2
2
1
1
4
4
1
1
1
1
1
1
1
INSULATOR GASKET  
INSULATOR  
PIN RETAINER  
NEEDLE BEARING  
CONNECTING ROD SPACER  
CRANKSHAFT COMP.  
KEY  
CARBURETOR GASKET  
CYLINDER BASE GASKET  
CYLINDER BOLT  
MUFFLER  
SHIM  
WASHER  
MUFFLER GASKET  
MUFFLER BOLT  
MUFFLER NUT  
CRANKCASE COMP.  
CASE PIN  
FLYWHEEL NUT  
TAP PROP BOLT  
9
HUB,PROPELLER COMP  
.
MOUNT  
10  
11,12  
13  
14  
15  
16  
17  
18  
19  
20  
*
for G62PU  
FOR G620PU-1  
PIN FOR G620PU-1  
HUB BOLT  
BOLT  
}
WASHER  
ZEN6231  
ZEN6232  
ZEN6233  
ZEN6234  
ZEN6235  
ZEN6236  
ZEN6237  
ZEN6238  
31  
32  
33  
34  
35  
36  
37  
38  
PULLER ASSEMBLY  
STOPPER (OPTIONAL)  
PISTON PIN GUIDE (OPTIONAL)  
SPRING STARTER  
SNAP RING  
PROP WASHER  
PROP BOLT  
BEARING  
1
1
1
1
REAR OIL SEAL  
FRONT OIL SEAL  
CRANKCASE GASKET  
CASE ASSEMBLY BOLT  
PISTON  
ROTOR  
SOURCE COIL  
IGNITION COIL  
PLUG CAP (BLACK)  
HIGH-SPEED NEEDLE  
LOW-SPEED NEEDLE  
MAGNETO ASSEMBLY  
1
18  
Exploded Illustration  
GT80  
Index  
No.  
Q’ty/  
unit  
Index  
No. Part No.  
Index  
No. Part No.  
Q’ty/  
unit  
Q’ty/  
unit  
Description  
Description  
Part No. Description  
1
2
3
4
5
6
7
8
9
ZEN44501 CYLINDER  
ZEN44502 MANIFOLD  
ZEN44503 MANIFOLD GASKET  
ZEN44504 MANIFOLD BOLT  
ZEN44505 CARBURETOR ASSY  
ZEN44506 CARBURETOR GASKET  
2
1
2
4
1
1
2
2
8
1
4
2
2
1
1
1
1
1
4
2
4
22 ZEN44522 PISTON PIN  
23 ZEN44523 PIN RETAINER  
24 ZEN44524 BEARING  
25 ZEN44525 THRUST WASHER  
26 ZEN44526 CRANKSHAFT COMP  
2
4
2
4
1
0-2  
1
1
1
1
2
1
2
2
2
4
2
2
43 ZEN44543 MOUNT  
44 ZEN44544 BOLT  
45 ZEN44545 BOSS  
46 ZEN44546 CLUTCH COMP  
47 ZEN44547 SPRING  
48 ZEN44548 COLLAR  
49 ZEN44549 WASHER  
50 ZEN44550 BOLT  
51 ZEN44551 PAD  
52 ZEN44552 HUB. PROPELLER COMP  
53 ZEN44553 PIN  
54 ZEN6232 HUB BOLT  
55 ZEN6233 HUB WASHER  
56 ZEN6234 PROP BOLT  
57 ZEN6247 TAP PROP BOLT  
58 ZEN44555 SOCKET  
59 ZEN6251 PULLER ASSY (OPTIONAL)  
60 ZEN44554 STOPPER (OPTIONAL)  
ZEN44556 HIGH-SPEED NEEDLE  
ZEN44557 LOW-SPEED NEEDLE  
1
3
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
27 ZEN6228  
28 ZEN6227  
29 ZEN6229  
30 ZEN6235  
31 ZEN6236  
32 ZEN6238  
SHIM  
ZEN4547  
CARB BOLT  
KEY  
ZEN44508 CYLINDER GASKET  
ZEN44509 BOLT  
NUT  
ROTOR  
10 ZEN44510 CRANKCASE ASSY  
SOURCE COIL  
IGNITION COIL  
11 ZEN6213  
12 ZEN6215  
13 ZEN6214  
14 ZEN44514 BEARING  
15 ZEN6217  
16 ZEN6276  
17 ZEN44517 PIPE  
18 ZEN44518 CRANKCASE GASKET  
19 ZEN44509 BOLT  
20 ZEN44520 PISTON  
21 ZEN44521 PISTON RING  
PIN  
BEARING  
SNAP RING  
33 ZEN44533 CORD  
34 ZEN6238  
35 ZEN6239  
36 ZEN6242  
PLUG CAP (BLACK)  
CAP SPRING  
FRONT OIL SEAL  
SPARK PLUG, C859  
FUEL NIPPLE ELBOW  
37 ZEN44537 SCREW  
38 ZEN44538 SCREW  
39 ZEN44539 MUFFLER  
40 ZEN44540 MUFFLER GASLET  
2
4
41 ZEN6209  
MUFFLER BOLT  
42 ZEN44542 NUT  
Q’ty/  
unit  
Index  
No. Part No.  
G80A  
Description  
01 ZEN8001 CYLINDER  
02 ZEN8002 INTAKE MANIFOLD (BLACK)  
20 ZEN8020 PISTON  
2
1
2
2
21 ZEN8021 PISTON RING  
19  
Warranty Information  
Zenoah® engines are guaranteed against workmanship  
and manufacturing defects for a period of 3 years from  
the original date of purchase. This warranty is limited to  
the original purchaser and is not transferable.  
1. Include complete name and address information  
inside the carton, as well as clearly writing it on the  
outer label/return address area.  
2. Include a note containing a brief summary of the  
difficulty and include the following information:  
Warranty repairs will not cover:  
• Normal engine wear  
• Propeller size and brand used  
• Type of spark plug used  
• Type of engine mount  
• Damage due to insufficient maintenance  
• Damage related to over-revving of the engine due  
to small prop size or unreasonable use  
• Approximately how much running time the engine had  
before difficulty  
• Rusted bearings  
3. Date your correspondence and be sure your name and  
address appear on this enclosure.  
• Crash damage  
• Damage due to use of improper fuel and/or spark plug  
4. Include a phone number where you can be reached  
during the business day.  
• Damage due to lean runs, such as rusted bearings,  
seized connecting rod or piston, etc.  
Warranty Repairs  
• Damage caused by foreign objects  
To receive warranty service you must include your origi-  
nal dated sales receipt to verify your proof-of-purchase  
date. Providing that warranty conditions have been met,  
your engine will be repaired without charge.  
• Damage caused by unreasonable mounting or running  
conditions (dust, insufficient cooling, improper mount-  
ing, improper propeller size of lack of balancing, etc.)  
• Damage due to improper disassembly  
• Modifications of any kind  
Non-Warranty Repairs  
Should your repair cost exceed 50% of the retail  
purchase cost, you will be provided with an estimate  
advising you of your options. Any return freight for  
non-warranty repairs will be billed to the consumer.  
If your engine needs repair, ship it in its original box,  
freight prepaid to:  
Horizon Service Center  
Attn: Zenoah Service  
4105 Fieldstone Road  
Champaign, IL 61822  
Phone: (217) 355-9511  
We accept both Visa and MasterCard for payment.  
Please include your card number and expiration date.  
The Consumer Warranty Registration below must be  
completely filled out and mailed to:  
Note: Do not use the engine’s original box as the  
shipping box. Rather, package this box inside a  
sturdy shipping box.  
Horizon Service Center  
Attn: Zenoah Warranty  
4105 Fieldstone Road  
Champaign, IL 61822  
20  
Warranty Information (continued)  
Registration Form  
Fill in and mail this form along with your dated sales  
receipt (send a copy, keep the original for your files)  
within 10 days of purchase to:  
Horizon Service Center  
Attn: Zenoah Warranty Dept.  
4105 Fieldstone Road  
Champaign, IL 61822  
Engine Type: ________________________________________________________________________________  
Date of Purchase: ______________________________________________________________________________  
Owner’s Name:  
______________________________________________________________________________  
Street Address: ______________________________________________________________________________  
City/State/Zip: ________________________________________________________________________________  
Daytime Phone Number: ________________________________________________________________________  
Purchased From: ______________________________________________________________________________  
Dealer’s Name: ________________________________________________________________________________  
Street Address: ______________________________________________________________________________  
City/State/Zip: ________________________________________________________________________________  
Please cut on dotted line.  
21  
22  
23  
© Copyright 2003, Horizon Hobby, Inc.  
ZZPZ200  
6135  

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