Kyosho GXR28 User Manual

●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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2
3
4
5
6
7
●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.
●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.
1
2
21
Tighten the screw so that
the space to be 0.5mm
like the drawing.
5
7
4
3
2
1
6

Kyosho GXR28 Specifications

General

Brand	Kyosho
Model	GXR28
Category	Engine
Language	English

Summary

Engine Components and Equipment

Necessary Starting Equipment

Lists essential equipment required for starting the engine, not included with the product.

Engine Mounting Guidelines

Details on how to position and mount the engine according to the model's manual.

Engine Starting and Break-In Procedures

Needle Valve and Air/Fuel Mixture Setup

Initial adjustments for needle valve and air/fuel mixture for engine operation.

Throttle Valve and Idle Adjustment

Adjusts idle RPM using the throttle valve adjustment screw during break-in.

Optimizing Engine Settings

Fine-tuning needle valve and air/fuel mixture for optimal performance.

Engine Maintenance

Post-Operation Fuel Drainage

Procedure to drain leftover fuel from the tank and engine after running.

Cleaning Precautions

Instructions for cleaning the engine exterior, warning against flammable solvents.