Yamaha WR250FM service manual Min. brush length Mm 0.14, Assembly

ELECTRIC STARTING SYSTEM

ELEC

–+

5.Measure:

•Brush length a

Out of specification → Replace the brushes as a set.

Min. brush length:

3.5mm (0.14 in)

6.Measure:

•Brush spring force

Out of specification → Replace the brush springs as a set.

Brush spring force: 3.92 ~ 5.88 N

(400 ~ 600 gf, 14.1 ~ 21.2 oz)

ASSEMBLY

1.Install:

•Brush spring 1

•Brush 2

2.Install:

•Armature assembly 1

Install while holding down the brush using a thin screw driver.

CAUTION:

Be careful not to damage the brush during installation.

3. Install:

• Gasket 1 New

•Starter motor yoke 2

NOTE:

•Install the starter motor yoke with its groove a facing front cover.

•Align the match mark b on the starter motor yoke with the match mark c on the starter motor rear cover.

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