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20
TROUBLESHOOTING
Faults
The engine does not turn when the
electric starter button is pressed
Engine turns but does not start
Engine does not speed up
Engine has too little power
Engine dies during the trip
Engine overheats
FI warning lamp (MIL) lights
up/flashes
High oil consumption
Possible cause
Operating error
Battery discharged
Main fuse blown
Faulty starter relay
Faulty starter motor
Coupling of fuel hose connection not
joined together
Fuel screen in the fuel hose connec-
tion is clogged
Idle speed is not set correctly
Spark plug oily or wet
Electrode distance (plug gap) of spark
plug too wide
Short circuit cable in wiring harness
frayed, kill switch defective
Defect in fuel injection system
Defect in fuel injection system
Air filter is very dirty
Fuel filter is very dirty
Defect in fuel injection system
Exhaust system leaky, deformed or
too little glass fiber yarn filling in main
silencer
Valve clearance too little
Lack of fuel
Too little coolant in cooling system
Too little air stream
Radiator fins very dirty
Foam formation in cooling system
Bent radiator hose
Defect in fuel injection system
Engine vent hose bent
Engine oil level too high
Engine oil too thin (low viscosity)
Piston and cylinder worn
Action
–
Carry out the start procedure. (
–
Recharge the battery.
–
Check the charging voltage.
–
Check the open-circuit current.
–
Check the stator winding of the alternator.
–
Change the main fuse. (
–
Check the starter relay.
–
Check the starter motor.
–
Join the fuel hose connection.
–
Change the fuel screen.
–
Adjust the idle speed.
–
Clean and dry the spark plug, or change it if
necessary.
–
Adjust the plug gap.
Guideline
Spark plug electrode gap
0.8 mm (0.031 in)
–
Check the wiring harness. (visual check)
–
Check the electrical system.
–
Read out the fault memory using the Husqvarna
diagnostics tool.
–
Read out the fault memory using the Husqvarna
diagnostics tool.
–
Clean the air filter and air filter box.
–
Change the fuel filter.
–
Read out the fault memory using the Husqvarna
diagnostics tool.
–
Check exhaust system for damage.
–
Change the glass fiber yarn filling of the main
silencer.
(
p. 45)
–
Adjust the valve clearance.
–
Refuel. (
p. 22)
–
Check the cooling system for leakage.
–
Check the coolant level. (
–
Switch off the engine when standing.
–
Clean the radiator fins.
–
Drain the coolant.
(
–
Refill the coolant.
(
–
Change the radiator hose.
–
Stop the motorcycle and identify the faulty part
using the blink code.
–
Check the cabling for damage and the electrical
plug-in connections for corrosion and damage.
–
Read out the fault memory using the Husqvarna
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, clean the oil
screen.
(
p. 79)
–
Piston/cylinder - determine the mounting clear-
ance.
84
p. 20)
(
p. 71)
p. 72)
(
p. 78)
(
p. 77)
(
p. 44)
p. 74)
p. 74)
p. 75)
p. 78)
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