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12. TROUBLESHOOTING GUIDE
CASE 1. STARTING FAILURE
CHECK
PROBABLE CAUSES
ACTION
Fuel Tank
Incorrect Fuel
Drain it and use correct fuel
Fuel Filter
Fuel Filter is clogged
Clean
Carburettor adjustment screw
Out of normal range
Adjust to normal range
Sparking (no spark)
Spark plug is fouled/wet
Plug gap is incorrect
Clean /dry
Correct (GAP:0.6-0.7)
Spark plug
Disconnected
Retighten
CHECK
PROBABLE CAUSES
ACTION
Fuel tank
Incorrect fuel or staled fuel
Drain it and use correct fuel
Carburettor adjustment screw
Out of normal range
Adjust to normal range
Muffler, cylinder (exhaust port)
Carbon is built-up
Wipe away
Air cleaner
Clogged with dust
Wash
Cylinder fin, fan cover
Clogged with dust
Clean
