Instructions / Assembly

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XI. TROUBLESHOOTING
1. START ENGINE DIFFICULTLY (By using recoil starter):
TROUBLE CAUSE REMEDY
Normal cylinder compression
Normal spark plug spark
Something wrong with the fuel system.
Fuel supply is not smooth or no fuel sup-
ply.
There is no enough fuel in fuel
tank and fuel cock is closed.
Fill fuel, open fuel cock.
Air vent in the fuel filler cap is
clogged
Dredge air vent.
Fuel cock is clogged Clean rst and then dredge
Improper or clogged main oil
ow hole.
Readjust or clean, blow to get
through.
Needle valve is not closed prop-
erly or start hole is clogged.
Dismantle needle valve and re-
pair, clean, blow to get through.
Float is damaged or sticking. Repair oat
Fuel supply is normal.
Fuel is too lthy or deteriorated Replace
There is water in fuel. Replace
Too much fuel in engine
Drain extra fuel, dry up spark
plug electrodes.
Wrong fuel brand
Select proper fuel brand corre-
sponding with the requirements.
Normal fuel supply system.
Normal high –tension line
spark.
Normal high-tension line
spark
Too much carbon deposit and
dirt around electrodes.
Clear away.
Electrodes are burn damaged
seriously or insulators damaged.
Replace spark plug.
Improper electrodes gap. Adjust to proper value.
High-tension line no
spark
Normal spark plug
High–tension line is damaged. Replace
Ignition coil is damaged. Replace
Magneto loses magnetism. Replace
Abnormal gap between ignition
coil and ywheel.
Adjust gap
TROUBLESHOOTING