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11
TROUBLE SHOOTING GUIDE
PROBLEM
PROBABLE CAUSE
CORRECTIVE ACTION
Engine won’t start
No spark
Replace the spark plug
No fuel
Pump primer bulb 10 times, if no fuel flows then pipes
blocked. Have serviced. If primer bulb fills then engine
may be flooded
Flooded engine
Remove spark plug and clean it, allow the engine to
stand for 5 minutes with the plug removed. Refit spark
plug and start as per owner’s manual.
Check fuel/oil mix
Drain and use fresh and correct fuel mix
Engine won’t stop
Various
Move choke to fully closed position, or remove spark plug
cap with gloves. Take to service dealer if problem
persists after restarting.
Engine will not idle
Air filter is blocked
Clean or replace the air filter
Old or improperly mixed
petrol/oil
Drain and use fresh and correct fuel mix
Improper carburettor
adjustment
Take to authorised service dealer for carburettor
adjustment
Engine will not rev
Air filter blocked
Clean or replace the air filter.
Fuel filter blocked
Spark plug fouled
Old, dirty or improperly
mixed
Fuel
Engine carboned up
Clean or replace the fuel filter.
Replace with new spark plug
Drain and replace with fresh correctly mixed fuel
Have serviced
Engine will not rev and
emits smoke
Check fuel/oil mix
Drain and use fresh and correct fuel mix
Dirty air filter or fuel filter
Clean as per instructions
Engine lacks power or
stalls when under load
Old or improperly mixed
petrol/oil
Drain and use fresh and correct fuel mix
Improper carburettor
adjustment
Take to authorised service dealer for carburettor
adjustment
Unit will not blow
Damaged impeller
Take to authorised service dealer
Engine smokes
Incorrect oil/fuel mixture.
Too much oil.
Drain and use fresh and correct fuel mix (1:25)
Oil leaks out of exhaust
muffler
Incorrect oil/fuel mixture.
Too much oil.
Drain and use fresh and correct fuel mix (1:25)