17
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TROUBLE SHOOTING GUIDE
1.
FAILURE TO START
problem probable
cause
remedy
Fuel system
abnormality
these is no fuel in tank
fuel filter obstruct
add fuel in tank
clean fuel filter
fuel is too dirty
instead fuel
there is water in fuel
instead fuel
there is too much fuel in cylinder
tear down spark plug and dry it
spark plug
spark normal
fuel system
normal
fuel
mixture ratio is improper
mixture proration
spark plug fouled with oily
deposits
clean the oily deposits
spark plug insulation damage
replace spark plug
high
voltage wire
spark
normal
spark
plug
spark gap is too large or small
adjust spark gap 0.6-0.7mm
high voltage wire breach or break
off
replace or tighten
cylinder
compress
pressure normal
fuel system
normal
high voltage wire
spark abnormality
coil looseness
tighten
piston ring attrite
replace a new
piston ring is broke
replace
piston ring cementation
eliminate
spark plug looseness
tighten
compress press is
shortage
conjoint surface of the cylinder
and crank cass leak
eliminate
fuel system
normal
ignition
system
normal
compress normal
high voltage wire and spark plug
contact badness
tighten the spark plug cap
