Yamaha YZ250/LC Manuel Du Propriétaire page 360

TRANSMISSION, SHIFT CAM AND SHIFT FORK
EC4H4810
Shift fork, shift cam and segment
1. Inspect:
9
Shift fork 1
Wear/Damage/Scratches ¡ Replace.
2. Inspect:
9
Shift cam 1
9
Segment 2
Wear/Damage ¡ Replace.
3. Check:
9
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.
EC4H5000
ASSEMBLY AND INSTALLATION
EC4H5242
Transmission
1. Install:
9
5th pinion gear (21T) 1
9
3rd pinion gear (18T) 2
9
Collar 3
9
4th pinion gear (22T) 4
9
2nd pinion gear (16T) 5
To main axle 6.
NOTE:
9
Apply the molybdenum disulfide oil on the 4th
and 5th pinion gears inner circumference and
on the end surface.
9
Apply the molybdenum disulfide oil on the 2nd
and 3rd pinion gears inner circumference.
4-74
ENG