oil type YAMAHA WR 400F 2002 Owner's Manual

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–+ELECTPS (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
resistanceTester 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
Plain washer 2
TPS 3
NOTE:
Loosen the screws (TPS) using the T20 bit
(tamper resistant fastener type).
2. Replace:
TPS
3. Install:
TPS 1
Plain washer 2
Screw (TPS) 3
TPS coupler
NOTE:
Align the slot a in the TPS with the projec-
tion b on the carburetor.
Temporarily tighten the screws (TPS).