Yamaha YZ250F(E), Owner'S Service Manual

Page: 265 / 356

TRANSMISSION
5-72
2. Install:
• 2nd wheel gear (28T) “1”
• 4th wheel gear (22T) “2”
• 3rd wheel gear (26T) “3”
• 5th wheel gear (25T) “4”
• Collar “5”
• 1st wheel gear (30T) “6”
• O-rings “7”
(to the drive axle “8”)
TIP
• Before installation, apply molybdenum disul-
fide oil to the inner and end surface of the idler
gear and to the inner surface of the sliding
gear, then install.
• Apply the lithium-soap-based grease on the
O-ring.
3. Install:
• Washer “1”
• Circlip “2”
TIP
• Be sure the circlip sharp-edged corner “a” is
positioned opposite side to the washer and
gear “b”.
• Install the circlip with its ends “c” settled even-
ly on the spline crests.
4. Install:
• Collar “1”
TIP
• Apply the lithium soap base grease on the oil
seal lip.
• When installing the collar into the crankcase,
pay careful attention to the crankcase oil seal
lip.
5. Install:
• Main axle “1”
• Drive axle “2”
TIP
• Install to the left crankcase simultaneously.
• Apply engine oil to the main axle and the drive
axle bearing.
New
1
8
7
2
3
4
5
6
New
M
LS
New
2
1
2
a
b
c c
1
2
E E