TROUBLESHOOTING 19
99
Faults Possible cause Action
Engine turns but does not start Operating error – Carry out the start procedure.
( p. 22)
Motorcycle was out of use for a
long time and there is old fuel
in the float chamber
– Empty the carburetor float chamber.
( p. 90)
Fuel feed interrupted – Check the fuel tank breather.
– Clean the fuel tap.
– Check/set the carburetor
components.
Spark plug oily or wet – Clean and dry the spark plug, or
change it if necessary.
Plug gap of spark plug too wide – Adjust plug gap.
Guideline
Spark plug electrode gap
0.60 mm (0.0236 in)
Fault in ignition system – Check the ignition system.
–
Adjust the ignition.
Short circuit cable in wiring
harness frayed, kill switch
defective
– Check the kill switch.
The connector or ignition coil is
loose or oxidized
– Clean the plug-in connection and treat
it with contact spray.
Water in carburetor or jets
blocked
– Check/set the carburetor
components.
Engine has no idle speed Idling jet blocked – Check/set the carburetor
components.
Adjusting screws on carburetor
distorted
– Carburetor – adjust the idle speed.
( p. 89)
Spark plug defective – Change spark plug.
Ignition system defective – Check the ignition coil.
– Check the spark plug connector.
Engine does not speed up Carburetor running over
because float needle dirty or
worn
– Check/set the carburetor
components.
Loose carburetor jets – Check/set the carburetor
components.
Fault in ignition system – Check the ignition system.
– Adjust the ignition.
Engine has too little power Fuel feed interrupted – Check the fuel tank breather.
– Clean the fuel tap.
– Check/set the carburetor
components.
Air filter very dirty – Clean the air filter and air filter box.
( p. 51)
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. ( p. 52)
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