TROUBLESHOOTING GUIDE
symptom
spark
plug
spark
normal
cylinder
compress
pressure
fuel
normal
system
normal
fuel
Ignition
system
System
normal
normal
1. FAILURE TO START
fuel
these is no fuel in tank
system
fuel filter obstruct
abnormality
fuel is too dirty
fuel
there is water in fuel
system
fuel
there is too much
normal
mixture ratio is improper
spark plug fouled with oily
high
deposits
voltage
spark
Spark
wire
plug
damage
spark
Spark gap is too large or
normal
small
high
high voltage wire breach
voltage
or break off
spark
abnormality
coil looseness
piston ring attrite
compress
piston ring is broken
press
piston ring cementation
is
spark plug looseness
shortage
conjoint surface of the
cylinder and crank cast leak
High voltage wire and spark
Compress
Plug contact badness
normal
Stop switch failure or short
circuit
18
probable cause
plug
insulation
remedy
Add fuel in tank
Clean fuel filter
instead fuel
instead fuel
tear down spark plug
and dry it
mixture peroration
clean the oil deposits
replace spark plug
adjust
spark
gap
0.6-0.7mm
replace or tighten
tighten
replace a new
replace
eliminate
tighten
eliminate
tighten the spark plug
cap
repair or replace