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Crankshaft runout






Support the crankshaft with " V" blocks as shown, with the two end journals resting on the blocks. Set up the dial gauge, as shown, and rotate the crankshaft slowly to read the runout. Replace the crankshaft if the runout is greater than the limit.

09900-20606: Dial gauge (1/100 mm, 10 mm) 09900-20701: Magnetic stand

09900-21304: V-block (100 mm)

Crankshaft runout

Service Limit: 0.05 mm (0.002 in)


 

 

 
Color code


 

 

CLUTCH

CLUTCH DRIVE AND DR IVEN PLATES

These plates are expendable: they are meant to be replaced when found worn down or distorted to the respective limit: use a vernier calipers to check thickness and a thickness gauge and surface plate to check distortion.

09900-20102: Vernier calipers (200 mm.)

 
09900-20803: Thickness gauge

 

    Standard Service Limit
  Drive plate thickness 2.90 - 3.10 mm (0.114 - 0.122 in) 2.60 mm (0.102 in)
Drive plate claw width 11.8 - 12.0 mm (0.46 - 0.47 in) 11.0 mm (0.43 in)
Driven plate distortion   - 0.10 mm (0.004 in)

 

 

 

 

 
CLUTCH SPR ING FREE LENGTH

Measure the free length of each coil spring with vernier calipers, and compare the elastic strength of each with the specifid limit. Replace all the springs if any one of springs is not within the limit.

09900-20102: Vernier calipers (200 mm)

 

  Clutch spring free length Service Limit
31.0 mm (1.22 in)

 

 
CLUTCH RELEASE BEAR ING

Inspect the clutch release bearing for any abnormality to de­ cide whether it can be reused or should be replaced.

Smooth engagement and disengagement of the clutch de­ pends much on the condition of this bearing.


 

 

 
OIL PUMP

 


CAUTION..


t d isassem ble the oil pum b p ly a. ssembly.


. p is ava1
Do not attemt o ·1able only as an assem The oil pum

 

raa n
T DI R SA A S N S S EM M B I L S Y SION ission gea rs as shown.i n the; 11u str at io_n_. ----- Disassem ble the tr- =sm=---------


 

 

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CD Bearing

! ti\ 5th drive gear 3rd/4th drive gear

@ Top drive gear

2nd drive gear

® Oil sal

A\ Bearing

\U 2nd driven gear

@ Top driven gear

® 3rd driven gear

4th driven gear 5th driven gear

M\19l Low dri·ven gear

@ Bear'.ng

@ Bearing

@ Spacer

@ C-ring

@ Pin


 


NOTE:. the 2nd drive gear, -


appropriate gear puller.


Whe=n em_o_vi__ng_


use a=n -------


 

 






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