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TROUBLESHOOTING
Faults
Engine turns but does not start.
The engine cannot be cranked (electric
starter).
Engine does not speed up.
Engine has no idle.
Possible cause
Switch for throttle lever faulty
Throttle valve sensor incorrectly set or
faulty
Blown fuse
Operating error
Battery discharged
Blown fuse
Carburetor running over because float
needle dirty or worn
Loose carburetor jets
Idling jet blocked
Adjusting screws on carburetor dis-
torted
Spark plug defective
Action
–
Check the wiring harness. (visual check)
–
Check the electrical system.
–
Check the throttle position sensor.
–
Change the fuses of individual power consumers.
(
p. 116)
–
Follow the instructions on starting the engine.
(
p. 32)
–
Recharge the battery.
x
–
Check the charging voltage.
–
Check the quiescent current.
–
Check the alternator.
x
–
Change the main fuse. (
–
Check/adjust the carburetor components.
–
Check/adjust the carburetor components.
–
Check/adjust the carburetor components.
–
Carburetor - adjust the idle speed.
(
p. 140)
–
Change spark plug.
153
x
(
p. 113)
x
x
p. 115)
x
x
x
x
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