LIFAN Power USA 173F-R Manual page 40

Ⅱ. LOW GASOLING ENGINE POWER OUTPUT
TROUBLE
When turning throttle greater,
speed increase responds
slowly or speed is decreased
even engine stops running.
CAUSE
Incorrect
Ignition system
time.
Air in fuel line or fuel
line clogged.
Main oil flow hole is
not adjusted properly.
In carburetor, needle
valve hole and main
oil flow hole clogged.
Fuel supply system
Fuel cock is clogged
up.
Too
deposit in combusting
chamber.
37
ignition Readjust
advance angle
Exhaust air or dredge
fuel line
Readjust
Clean and blow to get
through
Clean, replace damaged
part
much carbon
Clear away
REMEDY
ignition