TROUBLESHOOTING
168
Faults
Possible cause
Action
Engine turns but does not start.
Water in carburetor or jets blocked
–
Clean carburetor.
Idle speed is set too high
–
Carburetor - adjust the idle speed.
x
Emergency OFF switch with rip cord
faulty
–
Check wiring harness. (visual check)
–
Check electrical system.
Throttle lever activated
–
Do not activate the throttle lever.
–
See instructions on starting.
Switch for throttle lever faulty
–
Check wiring harness. (visual check)
–
Check electrical system.
Throttle valve sensor
TPS
incorrectly
set or faulty
–
Have the throttle valve sensor
TPS
checked or
adjusted.
The engine cannot be cranked (electric
starter).
Operating error
–
Follow the instructions on starting the engine.
Battery discharged
–
Recharge the battery.
x
–
Check the cause of discharging.
Main fuse burned out
–
Change the main fuse. (
–
Check electrical system.
Low external temperature
–
Recharge the battery. Establish the reason for
discharging or have it checked in a KTM work-
shop.
Engine does not speed up.
Carburetor running over because float
needle dirty or worn
–
Have carburetor checked.
Loose carburetor jets
–
Have carburetor checked.
Electronic ignition adjustment defec-
tive
–
Have ignition system checked.
Summary of Contents for 450 SX 2009
Page 1: ...OWNER S MANUAL 2009 450 SX ATV 505 SX ATV ART NO 3211378en ...
Page 2: ......
Page 13: ...IMPORTANT NOTES 11 ...
Page 14: ...IMPORTANT NOTES 12 2 1 Overview of labels 800043 10 ...
Page 16: ...IMPORTANT NOTES 14 700367 01 Hangtag ...
Page 17: ...IMPORTANT NOTES 15 700372 01 Information on use 800045 10 Emission control 450 SX ATV ...
Page 18: ...IMPORTANT NOTES 16 800044 10 Emission control 505 SX ATV ...
Page 19: ...IMPORTANT NOTES 17 700368 01 Warning label ...
Page 23: ...21 ...
Page 24: ...VIEW OF VEHICLE 22 3 1 View of the vehicle from the left front example 800062 10 ...
Page 26: ...VIEW OF VEHICLE 24 3 2 View of the vehicle from the right rear example 800046 10 ...