Use and Care Manual

20
TROUBLESHOOTING
1 . FAILURE TO START
Symptom
Probable cause
Remedy
Cylinder
compress
pressure
normal
Spark plug
spark
normal
Fuel system
abnormality
These is no fuel in tank
Fuel filter obstructed
Add fuel in tank
Clean fuel filter
Fuel system
normal
Fuel
Fuel is too dirty
There is water in fuel
There is too much fuel in cylinder
Mixture ratio is improper
Replace fuel
Replace fuel
Take down spark plug and dry it
Mixture proration
Fuel
system
normal
High
voltage
wire spark
normal
Spark plug
Spark plug fouled with oily
deposits
Spark plug insulation damage
Spark gap is too large or small
Clean the oily deposits
Replace spark plug
Adjust spark gap 0.6-0.7mm
High voltage wire
spark abnormality
High voltage wire breach or break
off
Coil looseness
Replace or tighten
Tighten
Fuel
system
normal
Ignition
system
normal
Compression pressure
is inadequate
Piston ring attrite
Piston ring is broken
Piston ring cementation
Spark plug looseness
Conjoint surface of the cylinder
and crank case leak
Replace a new
Replace
Eliminate
Tighten
Eliminate
Compression normal
High voltage wire and spark plug
contact poor
Stop switch failure or short circuit
Tighten the spark plug cap
Repair or replace