MIDDLE GEAR

ENG

Install each bearings 1 onto the yoke.

CAUTION:

Check each bearing. The needles can easily fall out of their races. Slide the yoke back and forth on the bearings; the yoke will not go all the way onto a bearing if a needle is out of place.

Press each bearing into the U-joint using a suitable socket.

NOTE:

The bearing must be inserted far enough into the U-joint so that the circlip can be installed.

Install the circlips 2 into the groove of each bearing.

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INSTALLING THE MIDDLE DRIVE SHAFT

1.Tighten:

Nut (middle drive pinion gear) 1 New

T.

R.

130 Nm (13.0 m • kg, 94 ft • lb)

NOTE:

Secure the middle drive shaft in a vise with a clean rag.

2.Lock the threads with a drift punch.

MEASURING THE MIDDLE GEAR BACKLASH

1.Measure:

Gear lash

Middle gear lash:

0.1 ~ 0.3 mm (0.004 ~ 0.012 in)

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Measurement steps:

Temporarily install the left crankcase.

Attach the pinion gear fix clamp 2 to the middle drive shaft.

Pinion gear fix clamp:

P/N. YM-04129, 90890-04129

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Yamaha 5TE-F8197-10 Installing the Middle Drive Shaft, Measuring the Middle Gear Backlash, Pinion gear fix clamp YM-04129