Zenoah G240rc User Manual

848ER893A0 (804)  
OWNER'S MANUAL  
Model: G240RC/G270RC  
Model code: X374323111 (G240RC)  
Model code: X374326111 (G270RC)  
Thank you for using ZENOAH ENGINE.  
Please read this Owner’s Manual thoroughly before operating and use the  
engine correctly according to this Owner’s Manual.  
(For safety reasons, please contact your sales dealer before operating this  
engine if there is something that you do not understand.)  
This engine has been designed for the use of radio control car.  
Please use this engine in conjunction with the manual for radio control car or  
radio control equipment you are going to use.  
Any modification of the engine or any use of other applications is prohibited.  
The purchaser (user) shall bear all obligations and responsibilities stipulated  
by law, local ordinance and the likes.  
Husqvarna Zenoah Co., Ltd. shall bear no responsibility whatsoever.  
CONTENTS  
SPECIFICATIONS.....................................................4  
SAFETY PRECAUTIONS..........................................5  
FUEL .........................................................................7  
ENGINE STARTING..................................................8  
OPERATION .............................................................9  
MAINTENANCE ......................................................10  
SPECIAL TOOLS ....................................................15  
SERVICE GUIDE ....................................................16  
TROUBLE SHOOTING ...........................................19  
PARTS LIST (G240RC)...........................................22  
PARTS LIST (G270RC)...........................................26  
WARRANTY............................................................30  
3
SPECIFICATIONS  
Engine Type  
G240RC  
G270RC  
Overall Size (L x W x H)  
Weight  
166 x 205 x 196mm  
2.07kg  
3
3
Displacement  
22.5cm  
25.4cm  
Clutch Engagement  
Carburetor Type  
Spark Plug  
6000rpm (STD Spring)  
WT-813A  
NGK CMR7H  
0.65mm  
Spark Plug Gap  
Rotating Direction  
Counter-Clockwise (View From PTO)  
4
SAFETY PRECAUTIONS  
These safety precautions are to prevent you and those people in the  
vicinity from incurring harm or damage. Make sure to observe these  
precautions and constantly strive to ensure safety.  
Safe use of the engine is your personal obligation and responsibility.  
Constantly take care to act with good judgment as you enjoy your  
hobbies.  
• The fuel is toxic. Do not let it get into your eyes or mouth. Store it in a  
cool place, out of the reach of infants and children.  
• Use of open flames around the fuel is strictly prohibited, because of  
danger of fire.  
• To prevent burns, make sure not to touch the engine while it is  
operating or immediately after it has stopped.  
• Do not run the motor in poorly ventilated places. Do not breathe the  
exhaust, as it is a health hazard.  
• Please wear clothing that facilitates your safety. Remove all scarves,  
5
SAFETY PRECAUTIONS  
overly long sleeves, neckties and the like. Failure to do so could result  
in injury.  
• When mounting the engine to a model, make sure to follow the model’s  
operating manual. If necessary, reinforce the engine mounting unit and  
the peripheral parts.  
6
FUEL  
• Mix gasoline (octane over 95) and high grade 2 cycle engine oil (mixing use type;  
F3C grade or ISO EGC grade) at mixing ratio 25~40:1.  
• The mixing ratio is according to the oil recommendation.  
[ NOTE ]  
1) Never use any alcohol fuel or alcohol added fuel, or the rubber parts in the  
carburetor and engine will be damaged.  
2) Gasoline is very flammable. Avoid smoking and any fires near fuel.  
3) To prevent all possible problems on fueling system, make sure to use the fuel filter  
which has more than 300 mesh or equivalent and gasoline proof rubber pipe or  
equivalent.  
Incorrect fuel filter may cause engine trouble like fuel passage stuffing in carburetor,  
or piston surface scratching etc.  
7
ENGINE STARTING  
• Push the primer pump several times until overflown fuel  
flows out. (Fig.1)  
Primer Pump  
Fig.1  
• Close the choke lever, and move the throttle lever  
1/4~1/3 open position. (Fig.1)(Fig.2)  
• Pull the starter(knob) quickly until first firing noise.  
(Fig.3)  
Choke Lever  
Close  
Open  
• Open the choke(Fig.2), throttle idle~1/4 open  
• Pull the starter quickly  
Fig.2  
• Operate engine for a few minutes for the warming up.  
IMPORTANT  
Throttle Lever  
• In case of engine warm condition, choking may not be  
necessary.  
Fig.3  
• Over choking may cause starting difficulty due to wet  
spark plug.  
In this case change spark plug or dry it, and remove  
fuel rest in the cylinder by pulling starter.  
8
OPERATION  
• This engine is already tuned up to get high power and high speed, and needs correct  
maintenance to keep such high performance.  
• The details for operation may be described in the separate owners manual to be  
issued by car manufacturer.  
• Be sure to have the engine cool down for 30 seconds at idle speed after full throttle  
running.  
9
MAINTENANCE  
1) MAINTENANCE CHART  
Before  
Use  
Every  
25 hours  
Every  
100 hours  
Items  
Action  
Note  
Leakage,  
Check  
Damage/Crack  
Idling Speed  
Air-cleaner  
Check/Adjust  
Check/Cleaning  
Check/Adjust  
Replace if necessary  
Spark Plug(gap)  
Cylinder(barrel)  
Piston, Ring  
Muffler & Bolt  
Bearings  
Check/Cleaning  
Check/Cleaning  
Check/Cleaning  
Check/Cleaning  
Check/Alignment  
Crank Shaft  
10  
MAINTENANCE  
2) SPECIFICATIONS AND TECHNICAL DATA  
Items  
Unit  
G240RC  
G270RC  
34 x 28  
25.4  
8.9  
Remarks  
Bore x Stroke  
mm  
cm3  
32 x 28  
Displacement  
22.5  
Effective Compression Ratio  
8.9  
Type  
Walbro WT  
ø12.7  
Carburetor  
Starting  
Venture(mm)  
Recoil Starter  
TCI  
Type  
Timing  
Ignition  
BTC 30°/8000rpm  
CMR7H  
Standard  
NGK  
CR8HIX  
with Terminal Nut  
Option(For Race)  
Spark Plug  
Option(Hot Type)  
CMR6H  
6000  
Clutch Engagement Speed  
No load max Speed  
Idling Speed  
rpm  
rpm  
19500  
rpm  
4000  
Max. Power  
kW/rpm  
N.m/rpm  
g/kW·h  
H
1.77/12000  
1.56/9000  
616  
1.80/12000  
1.61/9000  
653  
Max. Torque  
Fuel Consumption  
Carburetor  
1 1/8 1/4  
1 1/4 1/4  
Standard setting  
L
11  
MAINTENANCE  
3) MAINTENANCE SPECIFICATIONS  
G240RC  
G270RC  
Standard  
Items  
Standard  
Limit  
Limit  
Measuring Device  
Remarks  
Bore (mm)  
ø32  
Plating damaged  
ø34  
Plating damaged Eye Checking  
Cylinder  
At the skirt end and  
the right angle to  
the piston pin.  
Diameter (mm)  
ø31.97  
ø31.87  
ø33.97  
ø33.87  
Micro Meter  
Piston Ring  
Groove width (mm)  
0.81  
0.91  
1.01  
1.11  
Thickness Gauge  
Cylinder Gauge  
Piston Pin Hole (mm)  
ø8.01  
ø8.05  
ø8.01  
ø8.05  
Piston  
Clearance between  
Piston and  
Cylinder (mm)  
Micro Meter  
0.03~0.06  
0.15  
0.03~0.06  
0.15  
Cylinder Gauge  
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  
When inserted in  
a new cylinder.  
End Gap (mm)  
Width (mm)  
Thickness Gauge  
Piston  
Ring  
0.78  
ø8  
0.73  
ø7.98  
ø11.05  
ø11.98  
0.07  
0.98  
ø8  
0.93  
ø7.98  
ø11.05  
ø11.98  
0.07  
Micro Meter  
Micro Meter  
Piston Pin Diameter (mm)  
Connecting Rod Small end (mm)  
Crankshaft Dia. at Main Bearing (mm)  
Eccentricity (mm)  
ø11  
ø12  
ø11  
ø12  
Cylinder Gauge  
Micro Meter  
Dial Gauge  
Axial Play (mm)  
0.5  
0.5  
Thickness Gauge  
Gritty or  
Feels Flat Spot  
Gritty or  
Feels Flat Spot  
Main Bearing  
12  
MAINTENANCE  
4) CARBURETOR  
Items  
Standard  
1.65  
Limit  
Measuring Device  
Vanier  
Remarks  
Metering Lever set (mm)  
0.16  
Inlet Valve Opening Pressure (kg/cm2)  
Inlet Valve Closing Pressure (kg/cm2)  
1.3~2.3  
0.7~1.7  
Leak Tester  
Leak Tester  
5) IGNITION SYSTEM  
Items  
Standard  
Limit  
Measuring Device  
Thickness Gauge  
Thickness Gauge  
Remarks  
Spark Plug Air Gap (mm)  
Ignition Coil/Flywheel Air Gap (mm)  
0.6~0.7  
0.3  
0.7  
0.4  
Reading between  
primary terminal and  
iron core.  
Primary  
Coil  
0.7  
Volt Meter  
Volt Meter  
Resistance  
()  
Reading between  
sparking cord end and  
iron core.  
Secondary  
6100  
13  
MAINTENANCE  
6) TIGHTENING TORQUE  
Items  
Carburetor  
Insulator  
Screw Size  
Standard (N·m)  
Limit (N·m)  
2.9~3.9  
3.9~4.9  
4.9~7.8  
9.8~14.7  
4.7~8.8  
4.9~7.8  
8.8~12.8  
6.9~9.8  
2.9~3.9  
2.5~3.9  
1.0~1.5  
1.9~2.9  
Remarks  
M5 (P=0.8)  
M5 (P=0.8)  
M6 (P=1.0)  
M8 (P=1.0)  
M5 (P=0.8)  
M5 (P=0.8)  
M10 (P=1.0)  
M5 (P=0.8)  
M5 (P=0.8)  
M4 (P=0.7)  
M4 (P=0.7)  
TP 4.3  
3.4  
4.4  
6.4  
12.7  
6.8  
6.4  
10.8  
8.8  
3.4  
3.2  
1.3  
2.4  
with Locktight glue  
Clutch  
Rotor  
Cylinder  
Crankcase  
Spark Plug  
Muffler  
Fan Cover  
Ignition Coil  
Starter Case  
Tapping Screw  
14  
SPECIAL TOOLS  
Part Name  
Part No.  
External Appearance  
Usage  
1
2
3
4
5
6
Puller Assy  
Piston Stopper  
Rod Assy  
2890-96100  
To remove rotor.  
To hold crankshaft when  
disassembling/assembling  
clutch and rotor.  
4810-96220  
1101-96220  
3330-97310  
3304-97611  
5500-96110  
To remove/install piston pin.  
To set ignition coil.  
Air Gap Gauge  
Hex Wrench  
For socket screw of Hex.  
3mm, 4mm and 5mm.  
Snap Ring Pliers  
To remove snap ring.  
15  
SERVICE GUIDE  
1) REMOVING CLUTCH SHOE  
1. Remove the housing and plug cap.  
2. Remove the spark plug and fit the stopper(4810-  
96220) into the plug hole.  
Clutch Bolt  
(14mm Hex.)  
Rotor Nut  
3. Remove clutch bolts(14mm Hex.).  
2) REMOVING ROTOR (FAN)  
4. Remove the rotor nut(12mm Hex.).  
5. Remove the rotor using the puller assy (2890-96100).  
Apply 8mm puller bolts.  
17mm Hex.  
Puller  
Puller Bolts  
Rotor  
16  
SERVICE GUIDE  
3) ASSEMBLING ROTOR  
Ignition Coil  
Wrench  
Insert the gauge(3330-97310) in between the rotor  
magnet metal and the coil.Tighten screws while pressing  
the coil against the rotor.  
Air Gap 0.3 ~ 0.4mm  
Air Gap Gauge  
Rod Assy  
4) REMOVING PISTON PIN  
1. Remove snap rings from both sides of the piston pin.  
2. Engage the rod assy(1101-96220) to the piston pin  
and gently tap with a plastic hammer to push out the  
pin while holding piston firmly.  
Piston  
Plastic  
Hammer  
NOTE  
Hard hammering may damage the big end of the  
connecting rod.  
17  
SERVICE GUIDE  
5) INSTALLING PISTON  
1. Make sure to point the arrow mark on the piston to the  
End Gap  
Arrow Mark  
exhaust side.  
Piston  
2. Fit the circlip in the groove so as to face the end gap  
below.  
Circlip  
NOTE  
Deformed circlip may come off during engine  
operation and damage the engine.  
6) CARBURETOR ADJUSTMENT  
The carburetor comes with a standard setting, it is for  
optimum performance under the barometric pressure and  
climatic conditions at factory, so it may be re-adjusted  
according to load applied.  
H needle  
L needle  
Idle rpm : 4000 300 rpm (STD Spring)  
H needle : 1 1/8 1/4  
Idle Screw  
L needle : 1 1/4 1/4  
18  
TROUBLE SHOOTING  
1) ENGINE DOES NOT START  
Description  
Cause  
Countermeasure  
Make them dry  
No spark in the spark plug  
Spark Plug  
1. Wet spark plug electrodes  
2. Carbon deposited on the electrodes  
3. Insulation failure by insulator damage  
4. Inproper spark gap  
Cleaning  
Exchange  
Adjust to 0.6~0.7mm  
Exchange  
5. Burn out of electrodes  
Magneto  
Switch  
1. Ignition coil inside failure  
2. Damaged cable sheath or disconnected cable  
1. Switch is OFF  
Exchange  
Exchange or repair  
ON the switch  
Exchange  
2. Switch failure  
3.Primary wiring earthed  
Repair  
Sparks appear in the spark plug  
Compression &  
fueling is normal  
1. Over sucking of fuel  
Drain excess fuel  
2. Too rich fuel  
3. Overflow  
Adjust carburetor  
Carburetor adjust or exchange  
Wash with mixed gasoline  
Change with proper fuel  
Exchange  
4. Clogging of air cleaner  
5. Faulty fuel  
Fueling normal but 1. Worn out cylinder, piston, or piston ring  
poor compression  
No fuel supply  
2. Gas leakage from cylinder and crank case gasket Apply liquid gasket and reassemble.  
1. Choked breather air hole  
2. Clogged carburetor  
3. Clogged fuel filter  
Cleaning  
Cleaning  
Exchange fuel filter  
19  
TROUBLE SHOOTING  
2) LACK OF POWER OR UNSTABLE RUNNING  
Description  
Compression is normal  
and no misfire  
Cause  
Countermeasure  
Secure connection  
1. Air penetration from fuel pipe joints, etc  
2. Air penetration from intake tube joint or  
carburetor joint  
Change gasket or tightening screws  
3. Water in fuel  
Change with good fuel  
Replace piston(and cylinder)  
Cleaning  
4. Piston start to seizure  
5. Muffler choked with carbon  
1. Fuel too lean  
Overheating  
Adjust carburetor  
2. Clogging of cylinder fin with dust  
3. Poor fuel quality  
Cleaning  
Exchange with proper fuel  
Cleaning  
4. Carbon deposited in the combustion chamber  
5. Spark plug electrode red hot  
Thoroughly clean, adjust spark gap  
[ 0.6~0.7(0.023~0.028in) ]  
Wash with mixed gasoline  
Reduce load  
Others  
1. Dirty air cleaner  
2. Over loading  
20  
PARTS LIST  
21  
PARTS LIST G240RC (X374323111)  
22  
G240RC (X374323111)  
23  
PARTS LIST G240RC (X374323111)  
Q'TY/  
Q'TY/  
UNIT  
KEY# PART NUMBER  
DESCRIPTION  
REMARKS  
KEY# PART NUMBER  
DESCRIPTION  
REMARKS  
UNIT  
1
2
848ER812A0 CYLINDER  
1
1
4
1
1
1
2
1
2
1
1
1
3
1
2
1
1
1
4
1
1
1
2
1
2
1
1
1
1
2
1
2
2
2
35  
36  
37  
38  
1140-21162 CASE, CLUTCH  
3350-15250 BOLT  
1
4
1
1
1
1
T2075-13120 GASKET  
M5x16L  
M6x14L  
3
3310-12281 BOLT  
M5x20L  
1140-55310 PLATE  
0224-30614 BOLT  
4
1148-13162 INSULATOR  
848ER814B0 GASKET, INSU  
T2075-14120 GASKET, CARB  
3310-12281 BOLT  
5
39 T2070-71110 ROTOR  
40 T2070-71200 COIL-A  
6
7
M5x20L  
M5x50L  
M4x12L  
8
T2070-15110 MUFFLER  
01252-30550 BOLT  
1140-13141 GASKET, MUFFLER  
1850-32160 SCREW  
42 T2075-72210 CAP  
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
9
43  
44  
45  
46  
1400-72121 SPRING  
5500-72130 GROMMET  
1260-71261 SPACER  
3350-14150 BOLT  
10  
11  
12 848ER82110 CRANKCASE-C  
M4x20L  
13  
14  
15  
16  
2629-21130 • PIN  
47 T2070-75101 RECOIL-A  
48 T2070-75110 • CASE  
5500-21141 GASKET, CASE  
1155-21240 BEARING  
2169-21210 SEAL  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
5990-75120 • SPRING, SPIRAL  
5990-75131 • REEL  
17 06034-06001 BEARING  
18 04065-02812 RING  
19 01252-30530 BOLT  
20 T2071-41110 PISTON  
21 T2071-41210 RING  
5990-75141 • RATCHET  
5990-75151 • SPRING, BREAK  
5990-75270 • SCREW  
5990-75160 • RETAINER  
5990-75170 • WASHER  
1861-75180 • ROPE  
M5x30L  
22  
23  
24  
25  
1101-41310 PIN  
1260-41320 RING  
5500-41410 BEARING  
1101-41340 WASHER  
1490-75181 • KNOB  
0263-90416 SCREW  
M4x16L  
WT-813A  
59 848ETZ8101 CARBURETOR-A  
26 T2070-42001 CRANKSHAFT-C  
60  
61  
62  
63  
64  
65  
66  
3306-81380 • SCREEN  
3080-81120 • COVER  
3310-81130 • SCREW  
3304-81140 • GASKET  
1172-81150 • DIAPHRAGM  
1751-81470 • GASKET  
3310-81260 • DIAPHRAGM  
27  
28  
29  
30  
1650-43230 NUT  
1000-43240 KEY  
1140-43250 SIM  
1140-51111 SHOE  
M8x1.0  
M6x22L  
31 T2070-51220 SPRING (6000rpm IN)  
32  
33  
34  
1140-51250 SCREW  
1140-51230 WASHER  
1140-51242 WASHER  
67 T2070-81210 • BODY-A  
68 1751-81520 • COVER  
24  
G240RC (X374323111)  
Q'TY/  
UNIT  
Q'TY/  
KEY# PART NUMBER  
DESCRIPTION  
REMARKS  
KEY# PART NUMBER  
DESCRIPTION  
REMARKS  
UNIT  
69  
70  
71  
72  
73  
74  
75  
76  
77  
1751-81510 • PUMP  
2867-81270 • SPRING  
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
104 848ER883C0 • VALVE  
105 1918-82160 • WASHER  
1
1
3356-81310 • VALVE inlet  
1480-81420 • PLUG welch  
3310-81230 • LEVER  
3310-81240 • SCREW  
3310-81250 • PIN  
107 T2070-31111 COVER, FAN  
108 3310-12281 BOLT  
109 848ER83111 COVER-A  
1
4
1
1
2
1
1
1
M5x20L  
110  
111  
112  
1850-32160 SCREW  
M4x12L  
TP4.5x18L  
2630-81330 • SCREW  
3350-81380 • SPRING  
1900-31410 SCREW  
3699-91867 SPARKPLUG NGK CMR7H  
113 T2070-72200 SWITCH-A  
78 848ETZ81T1 • SHAFT throttle  
79  
80  
81  
82  
83  
84  
2670-81410 • SPRING  
2880-81470 • SCREW  
3310-81340 • VALVE throttle  
3310-81360 • SCREW  
1790-81440 • LEVER throttle  
1148-81390 • RING  
114 848ER890C0 LABEL, RECOIL  
116  
117  
118  
119  
120  
121  
122  
123  
1726-85004 TANK-A  
5601-85201 • CAP-A  
1726-85601 • PIPE COMP  
5500-85400 • FILTER  
1260-85460 • CLIP  
1
1
1
1
1
1
1
1
1
1
1
1
1
OP  
OP  
OP  
OP  
OP  
86  
87  
88  
89  
90  
91  
92  
2812-81510 • PISTON  
2810-81530 • SPRING  
2812-81520 • BALL  
1148-81530 • SCREW  
1491-81160 • SPRING  
1148-81171 • NEEDLE low speed  
3080-81320 • SPRING  
1
1
1
4
1
1
1
1
1
2
1799-85400 PIPE COMP  
5500-85400 FILTER  
1260-85460 CLIP  
124 T3039-91310 SOCKET  
125 T2070-93112 MANUAL  
126  
127  
2890-96100 PULLER-A  
4810-96220 STOPPER  
OP  
OP  
OP  
93 T2070-81330 • NEEDLE high speed  
94 T2070-82510 SPACER  
95  
128 848ETZ7110 SPARKPLUG  
NGK CR8HIX with Terminal Nut  
0263-90560 SCREW  
M5x60L  
129  
130  
131  
1764-51220 SPRING (5000rpm IN)  
3699-91975 SPARKPLUG NGK CMR6H  
3699-91809 SPARKPLUG Champion RZ7C  
1
1
1
OP  
OP  
OP  
98 848ER88300 CLEANER-A  
99 T1000-82110 • HOUSING  
1
1
1
1
2
1
100  
101  
102  
5730-82040 • COVER  
1751-82020 • FILTER  
5730-82060 • SLEEVE  
103 848EP183Y0 • CLIP  
25  
PARTS LIST G270RC (X374326111)  
26  
G270RC (X374326111)  
27  
PARTS LIST G270RC (X374326111)  
Q'TY/  
Q'TY/  
UNIT  
KEY# PART NUMBER  
DESCRIPTION  
REMARKS  
KEY# PART NUMBER  
DESCRIPTION  
REMARKS  
UNIT  
1
2
848ET812A0 CYLINDER  
1
1
4
1
1
1
2
1
2
1
1
1
3
1
2
1
1
1
4
1
1
1
2
1
2
1
1
1
1
2
1
2
2
2
35  
36  
37  
38  
1140-21162 CASE, CLUTCH  
3350-15250 BOLT  
1
4
1
1
1
1
T2075-13120 GASKET  
M5x16L  
M6x14L  
3
3310-12281 BOLT  
M5x20L  
1140-55310 PLATE  
0224-30614 BOLT  
4
1148-13162 INSULATOR  
848ER814B0 GASKET, INSU  
T2075-14120 GASKET, CARB  
3310-12281 BOLT  
5
39 T2070-71110 ROTOR  
40 T2070-71200 COIL-A  
6
7
M5x20L  
M5x50L  
M4x12L  
8
T2070-15110 MUFFLER  
01252-30550 BOLT  
1140-13141 GASKET, MUFFLER  
1850-32160 SCREW  
42 T2075-72210 CAP  
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
9
43  
44  
45  
46  
1400-72121 SPRING  
5500-72130 GROMMET  
1260-71261 SPACER  
3350-14150 BOLT  
10  
11  
12 848ER82110 CRANKCASE-C  
M4x20L  
13  
14  
15  
16  
2629-21130 • PIN  
47 T2070-75101 RECOIL-A  
48 T2070-75110 • CASE  
5500-21141 GASKET, CASE  
1155-21240 BEARING  
2169-21210 SEAL  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
5990-75120 • SPRING, SPIRAL  
5990-75131 • REEL  
17 06034-06001 BEARING  
18 04065-02812 RING  
19 01252-30530 BOLT  
20 T2088-41110 PISTON  
21 T2088-41210 RING  
5990-75141 • RATCHET  
5990-75151 • SPRING, BREAK  
5990-75270 • SCREW  
5990-75160 • RETAINER  
5990-75170 • WASHER  
1861-75180 • ROPE  
M5x30L  
22  
23  
24  
25  
1600-41310 PIN  
1260-41320 RING  
5500-41410 BEARING  
1101-41340 WASHER  
1490-75181 • KNOB  
0263-90416 SCREW  
M4x16L  
WT-813A  
59 848ETZ8101 CARBURETOR-A  
26 T2070-42001 CRANKSHAFT-C  
60  
61  
62  
63  
64  
65  
66  
3306-81380 • SCREEN  
3080-81120 • COVER  
3310-81130 • SCREW  
3304-81140 • GASKET  
1172-81150 • DIAPHRAGM  
1751-81470 • GASKET  
3310-81260 • DIAPHRAGM  
27  
28  
29  
30  
1650-43230 NUT  
1000-43240 KEY  
1140-43250 SIM  
1140-51111 SHOE  
M8x1.0  
M6x22L  
31 T2070-51220 SPRING (6000rpm IN)  
32  
33  
34  
1140-51250 SCREW  
1140-51230 WASHER  
1140-51242 WASHER  
67 T2070-81210 • BODY-A  
68 1751-81520 • COVER  
28  
G270RC (X374326111)  
Q'TY/  
UNIT  
Q'TY/  
KEY# PART NUMBER  
DESCRIPTION  
REMARKS  
KEY# PART NUMBER  
DESCRIPTION  
REMARKS  
UNIT  
69  
70  
71  
72  
73  
74  
75  
76  
77  
1751-81510 • PUMP  
2867-81270 • SPRING  
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
104 848ER883C0 • VALVE  
105 1918-82160 • WASHER  
1
1
3356-81310 • VALVE inlet  
1480-81420 • PLUG welch  
3310-81230 • LEVER  
3310-81240 • SCREW  
3310-81250 • PIN  
107 T2070-31111 COVER, FAN  
108 3310-12281 BOLT  
109 T2070-32100 COVER-A  
1
4
1
1
2
1
1
1
M5x20L  
110  
111  
112  
1850-32160 SCREW  
M4x12L  
TP4.5x18L  
2630-81330 • SCREW  
3350-81380 • SPRING  
1900-31410 SCREW  
3699-91867 SPARKPLUG NGK CMR7H  
113 T2070-72200 SWITCH-A  
78 848ETZ81T1 • SHAFT throttle  
79  
80  
81  
82  
83  
84  
2670-81410 • SPRING  
2880-81470 • SCREW  
3310-81340 • VALVE throttle  
3310-81360 • SCREW  
1790-81440 • LEVER throttle  
1148-81390 • RING  
114 T2700-75410 LABEL, RECOIL  
116  
117  
118  
119  
120  
121  
122  
123  
1726-85004 TANK-A  
5601-85201 • CAP-A  
1726-85601 • PIPE COMP  
5500-85400 • FILTER  
1260-85460 • CLIP  
1
1
1
1
1
1
1
1
1
1
1
1
1
OP  
OP  
OP  
OP  
OP  
86  
87  
88  
89  
90  
91  
92  
2812-81510 • PISTON  
2810-81530 • SPRING  
2812-81520 • BALL  
1148-81530 • SCREW  
1491-81160 • SPRING  
1148-81171 • NEEDLE low speed  
3080-81320 • SPRING  
1
1
1
4
1
1
1
1
1
2
1799-85400 PIPE COMP  
5500-85400 FILTER  
1260-85460 CLIP  
124 T3039-91310 SOCKET  
125 T2070-93112 MANUAL  
126  
127  
2890-96100 PULLER-A  
4810-96220 STOPPER  
OP  
OP  
OP  
93 T2070-81330 • NEEDLE high speed  
94 T2070-82510 SPACER  
95  
128 848ETZ7110 SPARKPLUG  
NGK CR8HIX with Terminal Nut  
0263-90560 SCREW  
M5x60L  
129  
130  
131  
1764-51220 SPRING (5000rpm IN)  
3699-91975 SPARKPLUGNGK CMR6H  
3699-91809 SPARKPLUG Champion RZ7C  
1
1
1
OP  
OP  
OP  
98 848ER88300 CLEANER-A  
99 T1000-82110 • HOUSING  
1
1
1
1
2
1
100  
101  
102  
5730-82040 • COVER  
1751-82020 • FILTER  
5730-82060 • SLEEVE  
103 848EP183Y0 • CLIP  
29  
WARRANTY  
WARRANTY TERMS  
1) Scope of Application  
This engine manufactured by Husqvarna Zenoah Co., Ltd. (herein after “Zenoah”).  
And sold to the user directly or through distributor/manufacturer, shall entitle to be  
covered by this warranty.  
2) Limits of Warranty  
Zenoah warrants that;  
1. The quality disclosed in the specifications.  
2. The engine which shall be considered defective by Zenoah, caused by material or  
production fault.  
3) Limits of Compensation  
1. Zenoah compensates such quality, material and production faults by repairing or  
replacing through distributor/manufacture.  
2. Zenoah shall not compensate any other accompanied or benefit losses caused to  
user and distributor/manufacture by such faults and through repairing or  
replacing.  
30  
WARRANTY  
4) Term of Warranty  
Three (3) months after purchased by end- user subject to 12 months from produced  
month.  
5) Exempt from Warranty  
Zenoah shall not warrant this engine even if the fault has been caused during the  
period of terms of Warranty, in case that.  
1. Any faults, failures caused from neglect of proper operation and maintenance  
described in OWNER’S MANUAL.  
2. Any modification not approved by Zenoah.  
3. Normal abrasion and deterioration.  
4. Consuming parts.  
5. Using any parts which have not been certified by Zenoah.  
6. Add-on or modified use.  
31  
Head Office : 1-9 Minamidai, Kawagoe-city, Saitama, 350-1165 Japan  
Phone: (+81)49-243-1115 Fax: (+81)49-243-7197  

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