TROUBLESHOOTING
The ignition system fails to operate (no spark or intermittent spark).
TIP
Before troubleshooting, remove the following part(s):
1. Side cover (left/right)
2. Seat
3. Fuel tank
4. Air scoop (left/right)
5. Air filter case cover
1. Check the ignition system wire har-
ness connections.
OK
2. Check the spark plug.
Refer to "CHECKING THE SPARK
PLUG" on page 3-35.
OK
3. Check the ignition spark gap.
Refer to "CHECKING THE IGNI-
TION SPARK GAP" on page 8-41.
NG
4. Check the ignition coil.
Refer to "CHECKING THE IGNI-
TION COIL" on page 8-41.
OK
5. Check the engine stop switch.
Refer to "CHECKING THE
SWITCHES" on page 8-38.
OK
6. Check the crankshaft position sen-
sor.
Refer to "CHECKING THE CRANK-
SHAFT POSITION SENSOR" on
page 8-42.
OK
7. Check the stator coil.
Refer to "CHECKING THE STA-
TOR COIL" on page 8-43.
OK
NG
Reconnect.
NG
Correct or replace the spark plug.
OK
The ignition system circuit is OK.
NG
Replace the ignition coil.
NG
Replace the engine stop switch.
NG
Replace the crankshaft position sensor.
NG
Replace the stator coil.
8-4
IGNITION SYSTEM