TROUBLESHOOTING 21
143
Faults Possible cause Action
Engine has too little power Exhaust system leaky,
deformed or too little glass
fiber yarn filling in the main
silencer
– Check exhaust system for damage.
– Change the glass fiber yarn filling in
the main silencer. ( p. 75)
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. ( p. 41)
Fuse 1 blown – Change the fuses of individual power
consumers. ( p. 114)
Fuse 4 blown – Change the fuses of individual power
consumers. ( p. 114)
Engine overheats Coolant level low in cooling
system
– Check the cooling system for leaks.
– Check the coolant level. ( p. 123)
Insufficient airflow – Switch off engine when stationary.
Radiator fins very dirty – Clean radiator fins.
Foam formation in cooling sys-
tem
– Drain the coolant. ( p. 123)
–
Refill with coolant. ( p. 124)
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
Error in the electronic fuel
injection
– Check wiring for damage and electri-
cal 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. ( p. 134)
Engine oil too thin (low viscos-
ity)
– Change the engine oil and the oil filter,
clean the oil screens. ( p. 134)
Piston and cylinder worn – Measure the piston/cylinder mounting
clearance.
12-V battery discharged The 12-V battery is not being
charged by the alternator
– Check charging voltage.
– Check the stator winding of the alter-
nator.
Undesired power consumer – Check the open-circuit current.
Combination instrument values
deleted (time, stop watch, lap
times)
The combination instrument
battery is empty
– Change combination instrument bat-
tery. ( p. 120)