THROTTLE POSITION SENSOR SYSTEM
8-4
EAM20197
THROTTLE POSITION SENSOR SYSTEM
EAM30582
TROUBLESHOOTING
If the throttle position sensor will not operate, use the following inspection steps.
TIP
Before troubleshooting, remove the following part(s):
1. Seat
2. Fuel tank
1. Check entire ignition system for
connection.
NG
Reconnect.
OK
2. Check throttle position sensor.
(Throttle position sensor coil)
NG
Replace the throttle position sensor.
OK
3. Check CDI magneto. (Source coil)
NG
Replace the source coil.
OK
4. Check CDI unit. (Throttle position
sensor input voltage)
NG
Replace the CDI unit.
Summary of Contents for YZ250 2022
Page 5: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Page 8: ......
Page 10: ......
Page 38: ...MOTORCYCLE CARE AND STORAGE 1 26...
Page 54: ...CABLE ROUTING DIAGRAM 2 15 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view...
Page 56: ...CABLE ROUTING DIAGRAM 2 17 Frame and engine left side view...
Page 58: ...CABLE ROUTING DIAGRAM 2 19 Frame and engine right side view...
Page 60: ...CABLE ROUTING DIAGRAM 2 21 Handlebar front view 0 mm 0 in 0 mm 0 in...
Page 62: ...CABLE ROUTING DIAGRAM 2 23 Rear brake right side view...
Page 64: ...CABLE ROUTING DIAGRAM 2 25...
Page 92: ...ELECTRICAL SYSTEM 3 26...
Page 160: ...CHAIN DRIVE 4 66...
Page 193: ...CLUTCH 5 31 2 1...
Page 233: ...ELECTRICAL COMPONENTS 8 6 EAM30289 CHECKING THE SWITCHES 1 1 Engine stop switch...
Page 254: ...TROUBLESHOOTING 9 13...
Page 261: ...ENGINE 10 6...
Page 274: ......