TROUBLESHOOTING
153
Faults
Possible cause
Action
Engine turns but does not start.
Switch for throttle lever faulty
–
Check the wiring harness. (visual check)
–
Check the electrical system.
Throttle valve sensor incorrectly set or
faulty
–
Check the throttle position sensor.
x
Blown fuse
–
Change the fuses of individual power consumers.
The engine cannot be cranked (electric
starter).
Operating error
–
Follow the instructions on starting the engine.
Battery discharged
–
Recharge the battery.
x
–
Check the charging voltage.
x
–
Check the quiescent current.
x
–
Check the alternator.
x
Blown fuse
–
Change the main fuse. (
Engine does not speed up.
Carburetor running over because float
needle dirty or worn
–
Check/adjust the carburetor components.
x
Loose carburetor jets
–
Check/adjust the carburetor components.
x
Engine has no idle.
Idling jet blocked
–
Check/adjust the carburetor components.
x
Adjusting screws on carburetor dis-
torted
–
Carburetor - adjust the idle speed.
x
Spark plug defective
–
Change spark plug.
Summary of Contents for 450 SX ATV
Page 1: ...OWNER S MANUAL 2010 450 SX ATV 505 SX ATV Art no 3211488en ...
Page 2: ......
Page 8: ...TABLE OF CONTENTS 6 INDEX 183 ...
Page 14: ...VIEW OF VEHICLE 12 3 1 View of the vehicle from the left front example 301769 10 ...
Page 16: ...VIEW OF VEHICLE 14 3 2 View of the vehicle from the right rear example 301770 10 ...