Before beginning assembly, please read these instructions thoroughly.
XXL
ENGINE
1
Throttle Lever :
Adjusts amount of air-fuel mixture
inflow and controls engine rpm.
2
Carburetor :
Mixes air and fuel appropriately
to control engine running.
3
High-Speed Needle :
Adjusts the amount of fuel
inflow for the mixture.
4
Idle Speed Screw :
Adjusts the carburetor opening
when idling.
5
Glow Plug :
Ignites the compressed air-fuel mixture.
6
Recoil Starter :
Starts the engine.
7
Low-Speed Needle :
Adjusts volume of air and fuel in mixture.
8
Air Filter
EQUIPMENT NECESSARY FOR STARTING
THE ENGINE (NOT INCLUDED)
1. Fuel for R/C models:
Use glow fuel with 20%-30% nitro mixture sold through
speciality model hobby shops.
Never use gasoline, kerosene or
alcohol instead of glow fuel!
This may cause fire!
Warning
2. Glow Plug:
(No.74905 G GLOW PLUG)
CAUTION : GLOW PLUG.
Not available with ENYA Glow Plug.
3. Booster Cord (No.74005 Starter Wiring Unit and No.74003B
Connector unit) and batteries for the glow plug heater (7.2V
battery pack for the Touch Starter): Used for heating and
electrifying the Glow Plug.
(KYOSHO No. 1876) refers to the use with the Touch Starter.
4. Plug Wrench:
For removals when examining or exchanging the Glow Plug.
(Wrench from KYOSHO No. 80164)
A fuel bottle comes in very handy for quick and neat
refillings of the tank.
(Fuel Bottle 500cc from KYOSHO No. 96423)
ENGINE
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.
CARBURETOR
At time of shipment, the XXL engine is pre-set and ready for
break-in. When breaking in the engine, do not touch the
3
Needle Valve,
Adjustment Screw.
Warning
INSTRUCTION MANUAL
4
Throttle Stop Screw and
As long as the engine is hot, avoid
touching anything except the High-Speed
Needle! If disregarding this warning, you
may cause burn injuries.
R
THE FINEST RADIO CONTROL MODELS
No.74103
7
Idle Speed