TROUBLESHOOTING
167
Faults
Possible cause
Action
Engine turns but does not start.
Spark plug connector or spark plug
defective
Warning
Risk of injury
The ignition system is
under high voltage.
–
Do not touch parts of the ignition sys-
tem. Have work on the ignition sys-
tem carried out in an authorized KTM
workshop.
–
Remove spark plug, connect ignition cable, hold
spark plug to ground (bare metal area on engine),
and try to start the engine.
Guideline
You should see a strong spark on the spark plug.
–
If there is no spark, change the spark plug.
–
If there is still no spark, remove the spark plug
cap from the ignition cable, hold it at the speci-
fied distance from the ground contact, and try to
start the engine.
Guideline
5 mm (0.2 in)
–
If you now have a spark, replace the spark plug
connector.
–
If there is no spark, have the ignition system
checked.
Socket connector of CDI control
device, pulse generator or ignition coil
oxidized
–
Clean socket connector and treat it with contact
spray.
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 ...