TROUBLESHOOTING 20
117
Faults
Possible cause
Action
The engine does not turn when
the start button is pressed
Operating error
–
Carry out start procedure. (
12-V battery discharged
–
Charge the 12-V battery.
–
Check the charging voltage.
–
Check the open-circuit current.
–
Check the stator winding of the alterna-
tor.
Main fuse blown
–
Change the main fuse. (
Faulty starter relay
–
Check the starter relay.
Faulty starter motor
–
Check the starter motor.
Engine turns but does not start
Quick release coupling not joined
–
Join quick release coupling.
Fuel screen in the quick release
coupling is clogged
–
Change the fuel screen.
Idle speed is not set correctly
–
Adjust the idle speed.
Spark plug sooty or wet
–
Clean and dry the spark plug and spark
plug connector, or change if necessary.
Plug gap of spark plug too wide
–
Adjust plug gap.
Guideline
Spark plug electrode gap
0.8 mm (0.031 in)
Short-circuit cable in wiring har-
ness frayed, stop button faulty
–
Check the wiring harness. (visual check)
–
Check the electrical system.
Malfunction in the electronic fuel
injection
–
Read out the fault memory using the GAS-
GAS Motorcycles diagnostics tool.
Engine does not speed up
Malfunction in the electronic fuel
injection
–
Read out the fault memory using the GAS-
GAS Motorcycles diagnostics tool.
Engine has too little power
Air filter is very dirty
–
Clean the air filter and air filter box.
(
Fuel filter is very dirty
–
Change the fuel filter.
Malfunction in the electronic fuel
injection
–
Read out the fault memory using the GAS-
GAS Motorcycles diagnostics tool.
Exhaust system leaks, 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.
Valve clearance too little
–
Adjust the valve clearance.
Engine dies during the trip
Lack of fuel
–
Refuel. (
Engine overheats
Too little coolant in cooling system
–
Check the cooling system for leakage.
–
Check the coolant level. (
Too little air stream
–
Switch off the engine when standing.
Radiator fins very dirty
–
Clean the radiator fins.
Foam formation in cooling system
–
Drain the coolant.
–
Refill with coolant.
Bent radiator hose
–
Change the radiator hose.
Malfunction indicator lamp lights
up or flashes
Malfunction in the electronic fuel
injection
–
Check the wiring for damage and the elec-
trical plug-in connections for corrosion
and damage.
–
Read out the fault memory using the GAS-
GAS Motorcycles diagnostics tool.