TROUBLESHOOTING 20
135
Faults
Possible cause
Action
The engine does not turn when
the start button is pressed
Operating error
–
Carry out 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 defective
–
Check the starter relay.
Starter motor defective
–
Check the starter motor.
Engine turns but does not start Quick release coupling not
joined
–
Join quick release coupling.
Fuel screen in the quick
release coupling is clogged
–
Change the fuel screen.
Idle speed is not set correctly
–
Adjust the idle speed.
Spark plug oily or wet
–
Clean and dry the spark plug, or
change it if necessary.
Plug gap of spark plug too
wide
–
Adjust plug gap.
Guideline
Spark plug electrode gap
0.8 mm (0.031 in)
Short-circuit cable in wiring
harness frayed, switch-off but-
ton faulty
–
Check the wiring harness. (visual
check)
–
Check the electrical system.
Malfunction in the electronic
fuel injection
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
Engine does not speed up
Malfunction in the electronic
fuel injection
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
Engine has too little power
Air filter is very dirty
–
Clean the air filter and air filter box.
(
Fuel filter is very dirty
–
Change the fuel filter.
Malfunction in the electronic
fuel injection
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
Exhaust system leaky,
deformed or too little glass
fiber yarn filling in main
silencer
–
Check exhaust system for damage.
–
Change the glass fiber yarn filling of
the main silencer.
Valve clearance too little
–
Adjust the valve clearance.
Engine dies during the trip
Lack of fuel
–
Refuel. (
Engine overheats
Too little coolant in cooling
system
–
Check the cooling system for leakage.
–
Check the coolant level. (
Too little air stream
–
Switch off the engine when standing.
Radiator fins very dirty
–
Clean radiator fins.
Foam formation in cooling sys-
tem
–
Drain the coolant.
–
Refill the coolant.