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TROUBLESHOOTING
69
Faults
Possible cause
Action
Engine turns but does not start
Operating error
–
Go through the steps of starting the engine.
Motorcycle was out of use for a long
time and there is old fuel in the float
chamber
–
Empty the carburetor float chamber.
x
Fuel feed interrupted
–
Check the fuel tank breather.
–
Clean the fuel tap.
–
Check/set the carburetor components.
x
Spark plug oily or wet
–
Clean and dry the spark plug, or change it if
necessary.
Electrode distance (plug gap) of spark
plug too wide
–
Adjust the plug gap.
Guideline
Spark plug electrode gap
0.60 mm (0.0236 in)
Fault in ignition system
–
Check the ignition system.
x
–
Adjust the ignition.
x
Short circuit cable in wiring harness
frayed, kill switch defective
–
Check the kill switch.
x
Socket connector or ignition coil is
loose or oxidized
–
Clean the socket connector and treat it with
contact spray.
Water in carburetor or jets blocked
–
Check/set the carburetor components.
x
Engine has no idle
Idling jet blocked
–
Check/set the carburetor components.
x
Adjusting screws on carburetor dis-
torted
–
Carburetor - adjust the idle speed.
x
Spark plug defective
–
Change spark plug.
Ignition system defective
–
Check the ignition coil.
x
–
Check the spark plug connector.
x
Engine does not speed up
Carburetor running over because float
needle dirty or worn
–
Check/set the carburetor components.
x
Loose carburetor jets
–
Check/set the carburetor components.
x
Fault in ignition system
–
Check the ignition system.
x
–
Adjust the ignition.
x
Engine has too little power
Fuel feed interrupted
–
Check the fuel tank breather.
–
Clean the fuel tap.
–
Check/set the carburetor components.
x
Air filter very dirty
–
Clean the air filter and air filter box.
x
Exhaust system leaky, deformed or
too little glass fiber yarn filling in
main silencer
–
Check exhaust system for damage.
–
Change the glass fiber yarn filling of the main
silencer.
Fault in ignition system
–
Check the ignition system.
x
–
Adjust the ignition.
x
Diaphragm or reed valve housing
damaged
–
Check the diaphragm and reed valve housing.
Noticeable wear
–
Overhaul the engine.
Engine stalls or is popping into the
carburetor
Lack of fuel
–
Turn the knurled screw on the fuel tap all the
way counterclockwise.
–
Fill up with fuel. (
Engine takes in bad air
–
Check the intake flange and carburetor for
tightness.
Socket connector or ignition coil is
loose or oxidized
–
Clean the socket connector and treat it with
contact spray.
Engine overheats
Too little coolant in cooling system
–
Check the cooling system for leakage.
–
Check the coolant level. (
Too little air stream
–
Switch off engine when standing.
Содержание 65 SX 2012
Страница 1: ...OWNER S MANUAL 2012 65 SX Art no 3211712en...
Страница 2: ......
Страница 20: ...RIDING INSTRUCTIONS 18 Close the filler cap p 11...
Страница 68: ...MAINTENANCE WORK ON THE ENGINE 66 Start the engine and check that it is oil tight...
Страница 88: ...3211712en 3211712en KTM Sportmotorcycle AG 5230 Mattighofen Austria http www ktm com 04 2011 Photo Mitterbauer...