Yamaha TT-R125EY Service Manual page 172

TRANSMISSION, SHIFT CAM AND SHIFT FORK
Shift cam and shift fork
1. Install:
• Shift fork 1 (L) 1
• Shift fork 2 (C) 2
• Shift fork 3 (R) 3
TIP
• Mesh the shift fork #1 (L) with the 2nd wheel
gear and #3 (R) with the 4th wheel gear on
the drive axle.
• Mesh the shift fork #2 (C) with the 3rd pinion
gear on the main axle.
2. Install:
• Shift cam 1
TIP
Apply the engine oil on the shift cam.
3. Install:
• Shift fork guide bar 1 (short) 1
• Shift fork guide bar 2 (long) 2
TIP
• Apply the engine oil on the guide bars.
• Be sure the long bar is inserted into the shift
forks #1 and #3 and the short one into #2.
4. Check:
• Shifter operation
• Transmission operation
Unsmooth operation → Repair.
4-79
ENG