Yamaha Wr250r 2008 Manual

 
ELECTRIC STARTING SYSTEM 
8-10 
OK 
↓ 
11.Check the clutch switch.
Refer to  
“CHECKING THE 
SWITCHES” on page 8-63 
.NG 
→ 
Replace the clutch switch.
OK 
↓ 
12.Check the start switch.
Refer to  
“CHECKING THE 
SWITCHES” on page 8-63 
.NG 
→ 
Replace the right handlebar switch.
OK 
↓ 
13.Check the entire starting system 
’ 
s 
wiring.
Refer to  
“CIRCUIT DIAGRAM” on page 
8-5 
.NG 
→ 
Properly connect or repair the starting
system’s wiring.
OK 
↓ 
The starting system circuit is OK. 

 
CHARGING SYSTEM 
8-11 
EAS27200 
CHARGING SYSTEM 
EAS27210 
CIRCUIT DIAGRAM 

 
CHARGING SYSTEM 
8-12 
1. AC magneto
2. Rectifier/regulator
4. Battery
5. Main fuse 

 
CHARGING SYSTEM 
8-13 
EAS27220 
TROUBLESHOOTING 
The battery is not being charged.
NOTE:
 
Before troubleshooting, remove the following part (s):
1. Seat
2. Side cover (left) 
3. Air scoop (left)
1. Check the fuse.
(Main)
Refer to  
“CHECKING THE FUSES” on 
page 8-67 
.NG 
→ 
Replace the fuse.
OK 
↓ 
2. Check the battery.
Refer to  
“CHECKING AND CHARG-
ING THE BATTERY” on page 8-68 
.NG 
→ 
 
Clean the battery terminals. 
 
Recharge or replace the battery.
OK 
↓ 
3. Check the stator coil.
Refer to...

 
CHARGING SYSTEM 
8-14 

 
LIGHTING SYSTEM 
8-15 
EAS27240 
LIGHTING SYSTEM 
EAS27250 
CIRCUIT DIAGRAM 

 
LIGHTING SYSTEM 
8-16 
3. Main switch
4. Battery
5. Main fuse
16. ECU
34. High beam indicator
39. Front right turn signal/position light
40. Front left turn signal/position light
42. Headlight relay
43. Dimmer switch
44. Headlight
50. Tail/brake light
51. License light
54. Headlight fuse
55. Signaling system fuse 

 
LIGHTING SYSTEM 
8-17 
EAS27260 
TROUBLESHOOTING 
Any of the following fail to light: headlight, high beam indicator light, taillight, license light or meter light.
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 each bulbs and bulb 
sockets condition.
Refer to  
“CHECKING THE BULBS 
AND BULB SOCKETS” on page 8-66 
.NG 
→ 
Replace the bulb (s) and bulb socket (s).
OK 
↓ 
2. Check the fuses.
(Main, headlight...

 
LIGHTING SYSTEM 
8-18 

 
SIGNALING SYSTEM 
8-19 
EAS27270 
SIGNALING SYSTEM 
EAS27280 
CIRCUIT DIAGRAM