Yamaha YZ 2020 Series, Owner'S Service Manual

Page: 263 / 376

TRANSMISSION
5-76
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 evenly
on the spline crests.
4. Install:
• Collar “1”
TIP
•
Apply the lithium-soap-based grease on the oil
seal lip.
•
When installing the collar into the crankcase,
pay careful attention to the crankcase oil seal
lip.
• Install the collar “1” so that the slit “a” faces to
the crankcase side.
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.
6. Install:
•
Shift fork 1 (L) “1”
• Shift fork 2 (C) “2”
•
Shift fork 3 (R) “3”
• Shift cam “4”
(to the main axle and the drive axle)
TIP
•
Apply engine oil to the shift fork grooves.
• Apply engine oil to the shift cam groove and the
bearing contact surface.
• Mesh the shift fork 1 (L) with the 4th wheel gear
“5” and shift fork 3 (R) with the 5th wheel gear
“7” on the drive axle.
•
Mesh the shift fork 2 (C) with the 3rd/4th pinion
gear “6” on the main axle.
New
2
1
2
a
b
c c
1
a
1
2
E
3 3
1
2 2