Troubleshooting - Yamaha XSR 900 2022 Service Manual

EAS30492

TROUBLESHOOTING

The ignition system fails to operate (no spark or intermittent spark).
TIP
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Fuel tank cover
3. Fuel tank
4. Air filter case
1. Check the fuses.
(Main, backup 2, ignition, and igni-
tion 2)
Refer to "CHECKING THE FUS-
ES" on page 8-40.
OK↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-41.
OK↓
3. Check the spark plugs.
Refer to "CHECKING THE SPARK
PLUGS" on page 3-5.
OK↓
4. Check the ignition spark gap.
Refer to "CHECKING THE IGNI-
TION SPARK GAP" on page 8-44.
NG↓
5. Check the ignition coils.
Refer to "CHECKING THE IGNI-
TION COILS" on page 8-44.
OK↓
6. Check the crankshaft position sen-
sor.
Refer to "CHECKING THE
CRANKSHAFT POSITION SEN-
SOR" on page 8-45.
OK↓
7. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-39.
OK↓
NG→ Replace the fuse(s).
• Clean the battery terminals.
NG→
• Recharge or replace the battery.
NG→ Re-gap or replace the spark plugs.
OK→ Ignition system is OK.
NG→ Replace the ignition coils.
NG→ Replace the stator coil assembly.
NG→ Replace the main switch/immobilizer unit.
8-4
IGNITION SYSTEM