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3-3-1.
Removal
(1) To remove the chain housing, remove the two bolts
from the exhaust pipe assembly, and remove the cal
-
iper body assembly
.
Remove the starter handle
from the starter handle holder.
Remove the oil plug
and breather pipe.
(2
)
Remove the chain housing from the frame.
1) To remove, first remove the eight bolts from the
housing
cap.
(Oil will flow out. so an oil pan should
be on hand.)
Remove the housing cap.
(Fig. 3-23)
F ig. 3-23
2) Remove the nut and cotter pin holding the chain
drive sprocket. using the 22-mm
.
open-end wrench.
3) Using the 17-mm. open-end wrench, remove the bolt
holding the chain driven sprocket.
4) To loosen the chain, remove the clip
.
Loosen the chain adjusting screw, and the chain
drive sprocket and chain dr iven sprocket can be
removed together.
(Fig. 3-24)
Fig
.
3-24
5
)
Loosen the track adjusting screw so the front axle
becomes loose.
Remove the four bolts mounting
the chain housing, and remove the chain housing.
(Fig 3-25,3-26)
POWER
TRAIN -
Chain Housing
Fig. 3-25
Fig.
3-26
3 -3-2.
Cleaning and Inspection
(1) Cleaning
1) Wash the oil seal in a denatured alcohol solution.
Never use a mineral oil.
2
)
As for the other parts, clean them in solvent. and
blow with compressed air
.
(2) Inspection
1) Check the chain housing, and if cracked or broken,
replace.
2) Check the housing cap, and if cracked, replace.
3) Check the drive chain for wear or binding action.
To check, it must be washed.
If it is too stiff to
bend because of rust. replace the chain.
4) Check the drive sprocket and driven sprocket for
wear on teeth and splines.
If worn excessively, re-
place.
5) Wash the bearing, and check for play and noise
.
If excessive play or noise is evident, replace.
6) Check the oil seal for wear on contact surfaces,
damage and
deformation.
Replace as required
.
7) Check the chain for condition before each race
.
-
39
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