21 TROUBLESHOOTING
142
Faults
Possible cause
Action
The engine cannot be cranked
(starter motor)
Operating error
–
Carry out the start procedure.
(
12-V battery discharged
–
Charge the 12-V battery.
–
Check the charging voltage.
–
Check the open-circuit current.
–
Check the stator winding of the alter-
nator.
Main fuse blown
–
Change the main fuse. (
Starter relay faulty
–
Check the starter relay.
Starter motor faulty
–
Check the starter motor.
The engine turns but does not
start
Operating error
–
Carry out the start procedure.
(
Quick release coupling not
joined
–
Join quick release coupling.
Idle speed is not set correctly
–
Adjust the idle speed.
Fuel supply interrupted
–
Check the fuel tank breather.
Spark plug sooty or wet
–
Clean and dry the spark plug and
spark plug connector, or change if
necessary.
Plug gap of spark plug too
wide
–
Adjust plug gap.
Guideline
Spark plug electrode gap
0.6 mm (0.024 in)
Faulty ignition
–
Ignition coil - check the primary wind-
ing.
–
Check the spark plug connector.
–
Check the stator winding of the alter-
nator.
Short-circuit cable in wiring
harness frayed, stop button or
emergency OFF switch faulty
–
Check wiring harness (visual check).
–
Check the electrical system.
The connector or ignition coil
is loose or oxydized
–
Clean the connector and treat with
contact spray.
Malfunction in the electronic
fuel injection
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
The engine has no idle speed
Spark plug defective
–
Change the spark plug.
Faulty ignition
–
Ignition coil - check the primary wind-
ing.
–
Check the spark plug connector.
–
Check the stator winding of the alter-
nator.
Idle speed is not set correctly
–
Adjust the idle speed.
Engine does not speed up
Malfunction in the electronic
fuel injection
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
Содержание F2303V7
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