Zenoah G430RC User manual

OWNER'S MANUAL
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.
Model: G430RC
Model code: 967286301
114 09 60-26 (1808)

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SPECIFICATIONS.....................................................4
SAFETY PRECAUTIONS..........................................5
FUEL .........................................................................7
OPERATION .............................................................8
MAINTENANCE ........................................................9
SPECIAL TOOLS ....................................................14
SERVICE GUIDE ....................................................15
TROUBLE SHOOTING ...........................................18
PARTS LIST............................................................20
WARRANTY............................................................23
CONTENTS
The engine exhaust from this
product contains chemicals
known to the State of California to
cause cancer, birth defects or
other reproductive harm.
WARNING AVERTISSEMENT ADVERTENCIA
Los gases de escape del motor de
este producto contienen
sustancias químicas conocidas
por el Estado de California como
causantes de cáncer,
malformaciones en recién nacidos
y otros problemas de
reproducción.
Les échappements du moteur de
ce produit contiennent des
produits chimiques connus par
l’Etat de Californie comme étant
responsables de cancers,
d’anomalies congénitales et
d’autres atteintes à l’appareil
reproducteur.

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SPECIFICATIONS
Engine Type G430RC
Overall Size (L x W x H) 161 x 192 x 204mm
Weight 2.8kg
Displacement 41.5cm3
Clutch Engagement 3300rpm (STD Spring)
Carburetor Type WYK-93A
Spark Plug CHAMPION RCJ6Y
Spark Plug Gap 0.65mm
Rotating Direction Counter-Clockwise (View From PTO)

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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,

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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.

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FUEL
•Mix gasoline (octane over 95) and high grade 2 stroke engine oil (mixing use type;
JASO FC grade or ISO-L-EGC grade) at mixing ratio 40~50:1.
•The mixing ratio is according to the oil recommendation.
[ NOTE ]
1) Gasoline may contain maximum of 10% Ethanol (grain alcohol) or up to 15% MTBE
(Methyl tertiary-butyl ether).
Gasoline containing Methanol (Wood Alcohol) is NOT approved.
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.

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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.

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MAINTENANCE
1) MAINTENANCE CHART
Before Every Every
Items Action Use 25 hours 100 hours Note
Leakage, Check ✔
Damage/Crack
Idling Speed Check/Adjust ✔✔✔
Air-cleaner Check/Cleaning ✔✔ Replace if necessary
Spark Plug(gap) Check/Adjust ✔✔ ↑
Cylinder(barrel) Check/Cleaning ✔✔ ↑
Piston, Ring Check/Cleaning ✔✔ ↑
Muffler & Bolt Check/Cleaning ✔✔✔ ↑
Bearings Check/Cleaning ✔✔ ↑
Crank Shaft Check/Alignment ✔↑

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MAINTENANCE
2) SPECIFICATIONS AND TECHNICAL DATA
Items Unit G430RC Remarks
Bore x Stroke mm 40 x 33
Displacement cm341.5
Effective Compression Ratio 7.5
Type
Carburetor Venture(mm)
Starting Recoil Starter
Type CDI
Ignition Timing BTDC 25°/7000rpm
Spark Plug RCJ6Y CHAMPION
Clutch Engagement Speed rpm 3300 STD Spring
No load max Speed rpm 12000
Idling Speed rpm 2500
Max. Net Power kW/rpm 1.47/7000
Max. Net Torque N.m/rpm 2.25/5500
Fuel Consumption g/kW·h 612
Carburetor H 1 3/8 ± 1/4
Standard setting L 1 ± 1/4
WYK-93A