Yamaha YZ450FA Automobile User Manual


 
4-82
TRANSMISSION, SHIFT CAM AND SHIFT FORK
3. Install:
•Washer "1"
• Circlip "2"
• 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"
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:
• Shift fork 1 (L) "1"
• Shift fork 2 (C) "2"
• Shift fork 3 (R) "3"
• Shift cam "4"
To main axle and drive axle.
• Apply the molybdenum disulfide oil on the
shift fork grooves.
Apply engine oil to the shift cam groove, bear-
ing contact surface and shift fork shaft.
• Mesh the shift fork #1 (L) with the 4th wheel
gear "5" and #3 (R) with the 5th wheel gear "7"
on the drive axle.
• Mesh the shift fork #2 (C) with the 3rd pinion
gear "6" on the main axle.