Troubleshooting - Yamaha WR250R Service Manual

EAS27190

TROUBLESHOOTING

The starter motor fails to turn.
NOTE:
Before troubleshooting, remove the following part (s):
1. Seat
2. Side cover (left)
3. Air scoop (left/right)
4. Fuel tank
1. Check the fuses.
(Main, ignition and signal fuse)
Refer to
"CHECKING THE FUSES" on
.
page 8-67
OK↓
2. Check the battery.
Refer to
"CHECKING AND CHARG-
ING THE BATTERY" on page 8-68
OK↓
3. Replace the starter motor.
Refer to
"CHECKING THE STARTER
MOTOR" on page 5-32
OK↓
4. Check the relay unit.
Refer to
"CHECKING THE RELAYS"
.
on page 8-71
OK↓
5. Check the diode.
Refer to
"CHECKING THE DIODE" on
.
page 8-73
OK↓
6. Check the starter relay.
Refer to
"CHECKING THE RELAYS"
.
on page 8-71
OK↓
7. Check the main switch.
Refer to
"CHECKING THE
SWITCHES" on page 8-63
OK↓
8. Check the engine stop switch.
Refer to
"CHECKING THE
SWITCHES" on page 8-63
OK↓
9. Check the neutral switch.
Refer to
"CHECKING THE
SWITCHES" on page 8-63
OK↓
10.Check the sidestand switch.
Refer to
"CHECKING THE
SWITCHES" on page 8-63
NG
NG
.
NG
.
NG
NG
NG
NG
.
NG
.
NG
.
NG
.
ELECTRIC STARTING SYSTEM
→
Replace the fuse (s).
Clean the battery terminals.
G
→
Recharge or replace the battery.
G
→
Repair or replace the starter motor.
→
Replace the relay unit.
→
Replace the relay unit.
→
Replace the starter relay.
→
Replace the main switch.
→
Replace the right handlebar switch.
→
Replace the neutral switch.
→
Replace the sidestand switch.
8-9