Yamaha YZ450F(S), Owner'S Service Manual

Page: 432 / 642

4 - 97
ENG
TRANSMISSION, SHIFT CAM AND SHIFT FORK
2. Install:
●
2nd wheel gear (25T) 1
●
3rd wheel gear (23T) 2
●
4th wheel gear (21T) 3
●
1st wheel gear (27T) 4
●
O-ring 5
To drive axle 6 .
NOTE:
●
Apply the molybdenum disulfide oil on the
1st, 2nd and 3rd wheel gears inner circum-
ference and on the end surface.
●
Apply the molybdenum disulfide oil on the
4th wheel gear inner circumference.
●
Apply the lithium soap base grease on the O-
ring.
3. Install:
●
Plain washer 1
●
Circlip 2
NOTE:
●
Be sure the circlip sharp-edged corner
a
is
positioned opposite side to the plain washer
and gear
b
.
●
Install the circlip with its ends
c
settled
evenly on the spline crests.
c c
New
4. Install:
●
Collar 1
NOTE:
●
Apply the lithium soap base grease on the oil
seal lip.
●
When installing the spacer into the crank-
case, pay careful attention to the crankcase
oil seal lip.