6-9
TPS (THROTTLE POSITION SENSOR) SYSTEM
ELEC
Check entire ignition
system for connection.
Repair or replace.
OK
OK
TPS coil
No good
Replace.
Check TPS.
OK
Source coil
No good
Replace.
*Check CDI magneto.
TPS input
voltage
No good
Replace.
Check CDI unit.
No good
EC690000
TPS (THROTTLE POSITION SENSOR) SYSTEM
EC691001
INSPECTION STEPS
If the TPS will not operate, use the following inspection steps.
*marked: Refer to “IGNITION SYSTEM” section.
NOTE:
9
Remove the following parts before inspection.
1) Seat
2) Fuel tank
9
Use the following special tools in this inspection.
Inductive tachometer:
YU-8036-B
Engine tachometer:
90890-03113
Pocket tester:
YU-3112-C/90890-03112
1P8-9-31-6 5/12/05 10:25 AM Page 22
Summary of Contents for YZ250(V)
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