Shift Fork, Shift Cam And Segment - Yamaha YZ125N1 Service Manual

TRANSMISSION, SHIFT CAM AND SHIFT FORK
EC4H4801

Shift fork, shift cam and segment

1. Inspect:
9Shift fork 1
Wear/Damage/Scratches
2. Inspect:
9Shift cam 1
9Segment 2
9Guide bar 3
Bend/Wear/Damage
3. Check:
9Shift fork movement
On its guide bar.
Unsmooth operation
and/or guide bar.
NOTE:
For a malfunctioning shift fork, replace not only
the shift fork itself but the two gears each adja-
cent to the shift fork.
EC4H5000
ASSEMBLY AND INSTALLATION
EC4H5202
Transmission
1. Install:
95th pinion gear (23T) 1
93rd/4th pinion gear (17T/21T) 2
96th pinion gear (24T) 3
92nd pinion gear (15T) 4
To main axle 5.
NOTE:
9Apply the molybdenum disulfide oil on the 5th
and 6th pinion gears inner circumference.
9Apply the transmission oil on the 2nd and
3rd/4th pinion gears inner circumference.
4-71
ENG
Replace.
Replace.
Replace shift fork