GAS GAS EX 250 2023, Owner'S Manual

Page: 122 / 144

20 TROUBLESHOOTING
120
Faults Possible cause Action
The engine cannot be cranked
(starter motor)
Operating error
–
Carry out the start procedure. ( p. 25)
12-V battery discharged
–
Charge the 12-V battery. ( p. 91)
–
Check the charging voltage.
–
Check the closed current.
–
Check the stator winding of the alterna-
tor.
Main fuse blown
–
Change the main fuse. ( p. 92)
Starter relay faulty
–
Check the starter relay.
Starter motor faulty
–
Check the starter motor.
The engine turns but does not
start
Operating error
–
Carry out the start procedure. ( p. 25)
Quick release coupling not joined
–
Join quick release coupling.
Idle speed is not set correctly
–
Adjust the idle speed. ( p. 103)
Fuel supply interrupted
–
Check the fuel tank breather.
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
0.6 mm (0.024 in)
Ignition system defective
–
Check the ignition coil.
–
Check the spark plug connector.
Short-circuit cable in wiring har-
ness frayed, stop button faulty
–
Check the stop button.
The connector or ignition coil is
loose or oxidized
–
Clean the connector and treat it with con-
tact spray.
Malfunction in the electronic fuel
injection
–
Read out the fault memory using the GAS-
GAS Motorcycles diagnostics tool.
The engine has no idle speed Spark plug defective
–
Change the spark plug.
Ignition system defective
–
Check the ignition coil.
–
Check the spark plug connector.
Idle speed is not set correctly
–
Adjust the idle speed. ( p. 103)
Engine does not speed up Malfunction in the electronic fuel
injection
–
Read out the fault memory using the GAS-
GAS Motorcycles diagnostics tool.
Ignition system defective
–
Check the ignition coil.
–
Check the spark plug connector.
Ambient pressure is incorrectly
stored
–
Program ambient air pressure. ( p. 104)
Engine has too little power Air filter very dirty
–
Clean the air filter and air filter box.
( p. 57)
Fuel filter is very dirty
–
Change the fuel filter.
Fuel screen is very dirty
–
Change the fuel screen. ( p. 107)
Malfunction in the electronic fuel
injection
–
Read out the fault memory using the GAS-
GAS Motorcycles diagnostics tool.
Fuel supply interrupted
–
Check the fuel tank breather.
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. 59)
Ignition system defective
–
Check the ignition coil.
–
Check the spark plug connector.