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TPS (THROTTLE POSITION SENSOR) SYSTEM
3. Inspect:
● TPS coil variable resistance
Check that the resistance in increased
as the throttle grip is moved from the
full close position to the full open posi-
tion.
Out of specification → Replace.
Tester (+) lead → Yellow lead 1
Tester (–) lead → Black lead 2
TPS coil variable
resistance
Tester selec-
tor position
Full closed Full opened
kΩ × 1
0 ~ 2 kΩ at
20 ˚C
(68 ˚F)
4 ~ 6 kΩ at
20 ˚C
(68 ˚F)
TPS REPLACEMENT AND ADJUSTMENT
1. Remove:
● TPS coupler
● Screw (TPS) 1
● TPS 2
NOTE:
Loosen the screws (TPS) using the T25 bit.
2. Replace:
● TPS
3. Install:
● TPS 1
● Screw (TPS) 2
● TPS coupler
NOTE:
● Align the slot a in the TPS with the projec-
tion b on the carburetor.
● Temporarily tighten the screws (TPS).
1
2
2
1
b
a