Yamaha YZ250(W)/W1, Owner'S Service Manual

Page: 538 / 596

6-13
TPS (THROTTLE POSITION SENSOR) SYSTEM
ELEC
10. Put the aligning marks
a
on the TPS and
carburetor.
11. Stop the engine.
12. Remove:
9 Carburetor
Refer to “CARBURETOR AND REED
VALVE” section in the CHAPTER 4.
13. Tighten:
9 Screw (TPS)
1
NOTE:
Tighten the screws (TPS) using the T20 bit (tam-
per resistant fastener type) by aligning the marks
a
that were put before removal.
14. Install:
9 Carburetor
Refer to “CARBURETOR AND REED
VALVE” section in the CHAPTER 4.
8. Start the engine.
9. Adjust:
9 TPS output voltage
Adjustment steps:
Adjust the installation angle of the TPS
1
to obtain the specified output volt-
age.
TPS output Tester selector
voltage position
0.5~0.7V DCV-20
1P8-9-32-6 4/6/06 3:01 PM Page 32