Yamaha 440 Service Manual download pdf (Page 54)

1980 SRX440

c. Loosen

the

chain tensioner and remove

the

drive, driven sprockets and chain.

d. Remove

the

bearing inner race securing

screw, and loosen the inner race by

using eccentric bearing installer.

Tool

name

Eccentric bearing installer

Tool No.

90890-01851

After

removing

the

suspension assemb-

ly, remove

the

four bolts

mounting

the

chain housing. (Refer to

5-3.

Suspen-

sion)

g. Remove

the

chain housing assembly.

h. Remove

the

secondary shaft complete.

/. Remove

the

bearing race and brake disc

and key.

1. Eccentric bearing installer

e. Remove

the

brake caliper assembly.

(Refer to

5-2.

"Brake

section")

5-10

2. Inspection

a. Drive chain

Except in case

oil starvation,

the

chain wears very little. If

the

chain has

stretched excessively and it is

difficult

to keep

the

proper chain tension, the

chain should be replaced.

b. Drive, driven and chain tension

sprockets.

Check sprocket for obvious wear. Re-

place sprocket as required.

c. Bearing and oil seals

Check the chain case bearings and oil

seals

for

damage.

damaged, replace.

3. Gearing selection

The reduction ratio

driven

sprocket

drive sprocket

must

set

according to

the

snow

condition.

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Yamaha 440 Service Manual Page 54

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