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EQUIPMENT NECESSARY FOR STARTING
THE ENGINE (NOT INCLUDED)
GXR28
ENGINE
ENGINE
R
THE FINEST RADIO CONTROL MODELS
INSTRUCTION MANUAL
1. Fuel for R/C models:
Use glow fuel (available in all R/C hobby shops).
2. Glow Plug:
Use a high performance glow plug.
(GS Glow Plug from KYOSHO No.74902)
3. Booster Cord or One-touch Glow Plug Heater, and Batteries:
Used for heating and electrifying the glow plug.
4. Plug Wrench:
For removals when examining or exchanging the glow plug.
(Locking Jig & Wrench Set from KYOSHO No. 80312)
5. Fuel Filter:
(Fuel Filter from KYOSHO No. 1876)
Warning
Never use gasoline, kerosene or
alcohol instead of glow fuel!
This may cause fires!
A fuel bottle comes in very handy for quick and neat
refillings of the tank.
(Quick-Fill Fuel Bottle 250cc / 500cc from KYOSHO
No. 96421 / 96422)
Before beginning assembly, please read these instructions thoroughly.
No.74025
Glow Plug : Ignites the compressed air-fuel mixture.
Needle Valve : Adjusts the amount of fuel inflow for the mixture.
Recoil Starter : Starts the engine.
Idle Mixture Screw : Adjusts volume of air and fuel in mixture.
Throttle Lever : Adjusts amount of air-fuel mixture inflow and controls engine rpm.
Carburetor : Mixes air and fuel appropriately to control engine running.
Idle Adjustment Screw : Adjusts the carburetor opening when idling.
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ENGINE STARTING & BREAK-IN
Adjust the needle valve and air/fuel mixture adjustment
screw to their standard position as follows:
Needle Valve
4 turns unscrewed
from closed position.
Unscrew
Tighten
Air/Fuel Mixture Adjustment
Air/Fuel Mixture Adjustment Screw
Adjustments ~ may slighty vary according to the type
of glow plug and glow fuel.
Warning
As long as the engine is hot, avoid touch-
ing anything except the needle valve! If
disregarding this warning, you may cause
burn injuries.
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ENGINE MOUNTING
The position for mounting the engine depends largely on the
model itself! Follow the instruction manual supplied with the
model to mount the engine properly.
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2
1
Tighten the screw so that
the space to be 0.5mm
like the drawing.
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3
2
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