Husqvarna FC 450 2019 Owner's Manual page 135

Faults
Engine overheats
Malfunction indicator lamp
lights up or flashes
High oil consumption
Battery is discharged
Possible cause
Foam formation in cooling sys-
tem
Bent radiator hose
Defect in the fuel injection sys-
tem
Engine vent hose bent
Engine oil level too high
Engine oil too thin (low viscos-
ity)
Piston or cylinder worn
Battery is not charging
Unwanted power consumer
https://www.motorcycle-manual.com/
TROUBLESHOOTING 20
Action
–
Drain the coolant. ( p. 113)
–
Refill with coolant. (
–
Change the radiator hose.
–
Check the cabling for damage and
the electrical plug-in connections for
corrosion and damage.
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
–
Route the vent hose without bends or
change it if necessary.
–
Check the engine oil level. (
–
Change the engine oil and oil filter and
clean the oil screens. (
–
Measure the piston/cylinder mounting
clearance.
–
Check the charging voltage.
–
Check the stator winding of the alter-
nator.
–
Check the open-circuit current.
p. 113)
p. 124)
p. 124)
133