Yamaha 2001 YZ426F/LC, Owner'S Service Manual

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ENG
TRANSMISSION, SHIFT CAM AND SHIFT FORK
EC4H4801
Shift fork, shift cam and segment
1. Inspect:
●
Shift fork 1
Wear/damage/scratches
→
Replace.
2. Inspect:
●
Shift cam 1
●
Segment 2
Bend/wear/damage
→
Replace.
3. Check:
●
Shift fork movement
Unsmooth operation
→
Replace shift
fork.
NOTE:
For a malfunctioning shift fork, replace not only
the shift fork itself but the two gears each adja-
cent to the shift fork.
ASSEMBLY AND INSTALLATION
Transmission
1. Install:
●
5th pinion gear (21T)
1
●
3rd pinion gear (18T)
2
●
Collar
3
●
4th pinion gear (22T)
4
●
2nd pinion gear (15T)
5
To main axle
6
.
NOTE:
●
Apply the molybdenum disulfide oil on the
4th and 5th pinion gears inner circumference
and on the end surface.
●
Apply the molybdenum disulfide oil on the
2nd and 3rd pinion gears inner circumfer-
ence.