Table of Contents
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TROUBLESHOOTING
Faults
The engine cannot be cranked (elec-
tric starter)
Engine turns but does not start
Engine does not speed up
Engine has too little power
Engine dies during the trip
Engine overheats
Possible cause
Operating error
Battery is discharged
Main fuse blown
Starter relay defective
Starter motor defective
Operating error
Coupling of fuel hose connection not
joined together
Fuse 1 blown
Fuse 2 blown
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
Fuel screen 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
Fuse 1 blown
Fuse 2 blown
Too little coolant in cooling system
Too little air stream
Radiator fins very dirty
Foam formation in cooling system
Bent radiator hose
Defect in radiator fan system
Action
–
Carry out the start procedure. (
–
Recharge the battery.
x
–
Check the charging voltage.
–
Check the quiescent current.
–
Check the stator winding of the alternator.
–
Change the main fuse. (
–
Check the starter relay.
x
–
Check the starter motor.
x
–
Carry out the start procedure. (
–
Join the fuel hose connection.
–
Change the fuses of individual power
consumers. (
p. 74)
–
Change the fuses of individual power
consumers. (
p. 74)
–
Adjust the idle speed.
x
–
Clean and dry the spark plug, or change it if
necessary.
–
Adjust the plug gap.
Guideline
Spark plug electrode gap
1.0 mm (0.039 in)
–
Check the wiring harness. (visual check)
–
Check the electrical system.
–
Read out the fault memory using the KTM diag-
nostics tool.
x
–
Read out the fault memory using the KTM diag-
nostics tool.
x
–
Clean the air filter and air filter housing.
(
p. 46)
–
Change the fuel filter.
x
–
Change the fuel screen.
x
–
Read out the fault memory using the KTM diag-
nostics tool.
x
–
Check exhaust system for damage.
–
Change the glass fiber yarn filling of the main
silencer.
(
p. 47)
x
–
Adjust the valve clearance.
–
Refuel. (
p. 26)
–
Change the fuses of individual power
consumers. (
p. 74)
–
Change the fuses of individual power
consumers. (
p. 74)
–
Check the cooling system for leaks.
–
Check the coolant level. (
–
Switch off the engine when standing.
–
Clean the radiator fins.
–
Drain the coolant.
(
x
–
Refill the coolant.
x
(
–
Change the radiator hose.
–
Check fuse 4.
–
Check the radiator fan.
x
92
p. 24)
(
p. 73)
x
x
x
p. 74)
p. 24)
(
p. 83)
x
(
p. 85)
x
p. 81)
p. 81)
p. 82)
x
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