Yamaha YXR660FAS Service Manual download pdf (Page 283)

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DRIV

REAR CONSTANT VELOCITY JOINTS, FINAL DRIVE

GEAR AND DRIVE SHAFT

MEASURING AND ADJUSTING THE FINAL

GEAR LASH

Measuring the final gear lash

1. Secure the gear case in a vise or another

supporting device.

2. Remove:

• drain plug

• gasket

3. Install:

• a bolt of the specified size 1

(into the drain plug hole)

CAUTION:

Finger tighten the bolt until it holds the ring

gear. Otherwise, the ring gear will be dam-

aged.

4. Attach:

• gear lash measurement tool 1

• dial gauge 2

a

Measuring point is 31.1 mm (1.22 in)

Gear lash measurement tool

P/N. YM-01467, 90890-01467

5. Measure:

• gear lash

Gently rotate the gear coupling from

engagement to engagement

.

NOTE:

Measure the gear lash at four positions. Rotate

the shaft 90° each time.

Final gear lash

0.1 ~ 0.3 mm (0.004 ~ 0.012 in)

1 2 ... 278 279 280 281 282 283 284 285 286 287 288 ... 420 421

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