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26
TROUBLESHOOTING
Ⅰ. STARTING ENGINE DIFFICULTLY
TROUBLE
CAUSE
REMEDY
1. Something wrong with
the fuel system
2. Fuel supply is blocked
or on fuel.
Normal cylinder
compression
Normal spark
There is no enough fuel in fuel tank or
fuel cock is closed
Fill fuel, open fuel cock
Air vent in the filler cap is clogged.
Dredge air vent
Fuel cock is clogged.
Clean first and then dredge
Improper or clogged main jet
Readjust or clean, blow to get
through
Needle valve is closed improperly or
start hole is clogged
Dismantle needle valve and
repair, clean, blow to get
through
Floater is damaged or sticking
Repair floater
TROUBLE
CAUSE
REMEDY
1. Something wrong with the
fuel system
Normal cylinder compression
Normal spared
Fuel is filthy or deteriorated
Replace
There is filthy or deteriorated
Replace
Too much fuel in engine
cylinder
Drain extra fuel, dry up spark
plug electrodes
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