Yamaha WR250FM service manual Throttle Position Sensor Input Voltage Inspection, ~ 6 DCV-20

THROTTLE POSITION SENSOR SYSTEM

ELEC

–+

1

8.Tighten:

• Screw (throttle position sensor) 1

9.Stop the engine.

THROTTLE POSITION SENSOR INPUT VOLTAGE INSPECTION

1.Disconnect the throttle position sensor cou- pler.

2.Start the engine.

3.Inspect:

•Throttle position sensor input voltage Out of specification → Replace the CDI

unit.

Tester (+) lead → Blue lead 1 Tester (–) lead → Black/Blue lead 2

Throttle position	Tester selector
sensor input
	position
voltage
4 ~ 6 V	DCV-20

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