Engine
42
WARNING
BEFORE operating the engine, be sure to read this section of the manual, otherwise injury to
personnel or damage to equipment may occur.
Engine starting
components
1.
Fuel Selector Switch
Allows easy switching from gasoline to propane fuel supply.
2.
Fuel Valve
When the fuel valve is in the ON position and the fuel selector switch is on the gasoline position the
gasoline is allowed to flow from the fuel tank to the carburetor. Be sure to return the fuel valve to the
OFF position after stopping the engine.
3.
Choke Lever
The choke is used to provide an enriched fuel mixture when starting a cold engine. It can be opened
and closed by operating the choke lever manually. Move choke lever to the left toward CLOSED to
enrich the mixture for cold starting.
4.
Engine Switch/Engine Key Switch
Turn the engine switch to START to run the engine. To stop the engine, turn the switch OFF.
WARNING:
Improper maintenance or failure to correct a problem before operation can cause a
malfunction in which you can be seriously hurt or killed. ALWAYS follow the inspection
and maintenance recommendations and schedules in this manual.
Displacement
420
Starting Type
Recoil/Electric Start
Ignition Type
Transistorized Magneto Ignition
Lubricating Type
Splash
Model
420cc
Spark Plug Type
F7RTC
Spark Plug Gap
0.7
~
0.8mm (0.028
~
0.03in)
Spark Plug Torque
20-30N.m
Intake Valve Clearance
0.08
~
0.12mm (0.003
~
0.005in)
Exhaust Valve Clearance
0.13
~
0.17mm (0.005
~
0.007in)
3
2
4
1
