Husqvarna 450 II Manuel De L'opérateur page 31

Troubleshooting
Starting failure
Check
Starter pawls
Fuel tank
Sparking (no spark)
Spark plug
Engine starts but does not keep running.
Check
Fuel tank
Carburetor
Air filter
Fuel filter
1157680-49 Rev.1 2017-05-04
MAINTENANCE
Possible Cause
Binding pawls
Incorrect fuel type
Spark plug contaminated or wet
Spark plug gap incorrect.
Spark plug loose.
Possible Cause
Incorrect fuel type
Engine will not idle properly.
Clogged air filter
Clogged fuel filter
Action
Adjust or replace the pawls.
Clean around the pawls.
Contact a servicing dealer.
Drain it and use correct fuel.
Make sure that the spark plug is dry
and clean.
Clean the spark plug. Check that the
electrode gap is correct. Make sure
that the spark plug is fitted with a
suppressor.
Refer to technical data for correct
electrode gap.
Retighten the spark plug
Possible action
Drain it and use correct fuel.
Contact your servicing dealer.
Clean the air filter.
Replace the fuel filter.
English – 31