Yamaha WR250FM Electric Starting System Elec +, Diode Inspection, Start Switch Inspection

ELECTRIC STARTING SYSTEM ELEC – +

2	3	DIODE INSPECTION
		1.	Remove the diode from wire harness.
		2.	Inspect:
			• Diode continuity
			Use pocket tester
			(tester selection position Ω ⋅ 1)
		Tester (+) →
	1		Blue/Red terminal 1	Continuous
		Tester (–) →
			Sky blue terminal 2
		Tester (+) →
			Blue/Red terminal 1	Continuous
		Tester (–) →
			Blue/Yellow terminal 3
		Tester (+) →
			Sky blue terminal 2	No
		Tester (–) →		continuous
			Blue/Red terminal 1
		Tester (+) →
			Blue/Yellow terminal 3	No
		Tester (–) →		continuous
			Blue/Red terminal 1
		Incorrect continuity → Replace.

START SWITCH INSPECTION

a

1.Inspect:

• Start switch continuity

Tester (+) lead → Black lead 1

Tester (–) lead → Black lead 2

		B	B	Tester selector
		1	2	position
PUSH IN				Ω ⋅ 1
	FREE

No continuous while being pushed → Replace. Continuous while being freed → Replace.

2.Inspect:

•Rubber part a Tears/damage → Replace.

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