Service Manual

GENERAL INFORMATION 1-14
[Engine loss power]
Is the ignition spark NO-
normal?
Is lubricating condition NO-
normal?
Is unusual smoke emit- YES
ted out of muffler?
Adjust
level or add
Excessive engine load. Adjust load
screens, shrouding and engine
fins.
chamber.
Wrong spark plug. Replace
Faulty spark plug. Replace
Faulty control unit. Replace
Faulty ignition coil Replace
Faulty high tension cord. Adjust gap
Armature air gap incorrect. Replace
Demagnetized flywheel. Correct
in crankcase.
bricating oil.
Plugged air cleaner. Clean
@Carbon deposit in
not properly
Too much oil in crankcase. Adjust level
hole and muffler.
-I_--
Is compression suffici-
ent?
Hard.
[Engine runs erratically]
fuel pipe or fuel filter.
I
Problem in the govern-
or system
justment.
Faulty governor spring. Replace
tioning.