21 TROUBLESHOOTING
139
Faults
Possible cause
Action
Engine has too little power
Defect in fuel injection system
–
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 glass fiber yarn filling in the
main silencer.
Valve clearance too little
–
Adjust the valve clearance.
Ignition system defective
–
Ignition coil - check the secondary
winding.
–
Check the spark plug connector.
–
Check the stator winding of the alter-
nator.
The engine dies during the trip
Lack of fuel
–
Refuel. (
Fuse
1
blown
–
Change the fuses of individual power
consumers. (
Fuse
4
blown
–
Change the fuses of individual power
consumers. (
Engine overheats
Coolant level low in cooling
system
–
Check the cooling system for leaks.
–
Check the coolant level. (
Insufficient airflow
–
Switch off engine when stationary.
Radiator fins very dirty
–
Clean radiator fins.
Foam formation in cooling sys-
tem
–
Drain the coolant.
–
Refill the coolant.
Bent radiator hose
–
Change the radiator hose.
Thermostat defective
–
Check the thermostat.
Guideline
Opening temperature: 70 °C (158 °F)
Defect in radiator fan system
–
Check fuse
3
.
–
Check the radiator fan.
Malfunction indicator lamp
lights up or flashes
Defect in fuel injection system
–
Stop the motorcycle and identify the
faulty part using the blink code.
–
Check the cabling for damage and
the electrical plug-in connectors for
corrosion and damage.
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
High oil consumption
Engine vent hose bent
–
Route the vent hose without bends or
replace it if necessary.
Engine oil level too high
–
Check the engine oil level. (
Engine oil too thin (low viscos-
ity)
–
Change the engine oil and oil filter and
clean the oil screens.
Piston and cylinder worn
–
Measure the piston/cylinder mounting
clearance.