Yamaha XSR700 2018, Supplement Service Manual

Page: 50 / 96

IGNITION SYSTEM
– 43 –
EAS30492
TROUBLESHOOTING
The ignition system fails to operate (no spark or intermittent spark).
TIP
• Before troubleshooting, remove the following part(s):
1. Battery cover
2. Fuel tank center cover/Air scoops
3. Fuel tank
4. Drive sprocket cover
5. Headlight assembly
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
OK
→
NG
↓
NG
→
OK
↓
NG
→
OK
↓
1. Check the fuses.
(Ignition, backup 2, and main)
Refer to “CHECKING THE FUS-
ES” on page 81.
Replace the fuse(s).
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” in
chapter 8. (Manual No.: B34-
F8197-E2)
• Clean the battery terminals.
• Recharge or replace the battery.
3. Check the spark plugs.
Refer to “CHECKING THE SPARK
PLUGS” in chapter 3. (Manual No.:
B34-F8197-E2)
Re-gap or replace the spark plug(s).
4. Check the ignition spark gap.
Refer to “CHECKING THE IGNI-
TION SPARK GAP” in chapter 8.
(Manual No.: B34-F8197-E2)
Ignition system is OK.
5. Check the ignition coils.
Refer to “CHECKING THE IGNI-
TION COILS” in chapter 8. (Manual
No.: B34-F8197-E2)
Replace the ignition coil(s).
6. Check the crankshaft position sen-
sor.
Refer to “CHECKING THE CRANK-
SHAFT POSITION SENSOR” in
chapter 8. (Manual No.: B34-
F8197-E2)
Replace the crankshaft position sensor.