Yamaha YZF-R125 Service Manual: Installing the shift forks and shift drum assembly

Yamaha YZF-R125 Service Manual / Engine / Transmission / Installing the shift forks and shift drum assembly

1. Install:

  • Shift fork-L "1"
  • Shift fork-C "2"
  • Shift fork-R "3"
  • Shift drum assembly "4"
  • Springs
  • Shift fork guide bar "5"

NOTE:

The embossed marks on the shift forks should face towards the right side of the engine and be in the following sequence: "R", "C", "L".

Installing the shift forks and shift drum assembly


2. Check:

Transmission Rough movement Repair.


NOTE:

  • Apply engine oil to each gear and bearing thoroughly.
  • Before assembling the crankcase, make sure that the transmission is in neutral and that the gears turn freely.

Installing the shift forks and shift drum assembly


    Assembling the main axle and drive axle
    1. Install: Toothed washer "1" Circlip "2" NOTE: Be sure to install the circlip so that its sharp edge "a" is facing away from the toothed washer and gear. Be sure the circlip ends ...

    Cooling system
    ...

    Other materials:

    Avoid Carbon Monoxide Poisoning
    All engine exhaust contains carbon monoxide, a deadly gas. Breathing carbon monoxide can cause headaches, dizziness, drowsiness, nausea, confusion, and eventually death. Carbon Monoxide is a colorless, odorless, tasteless gas which may be present even if you do not see or smell any en ...

    Checking the clutch plates
    The following procedure applies to all of the clutch plates. 1. Check: Clutch plate Damage Replace the clutch plates as a set. 2. Measure: Clutch plate warpage (with a surface plate and thickness gauge "1") Out of specification Replace the clutch plates as a set. ...

    Checking the valves and valve guides
    The following procedure applies to all of the valves and valve guides. 1. Measure: Valve-stem-to-valve-guide clearance Out of specification Replace the valve guide. Valve-stem-to-valve-guide clearance = Valve guide inside diameter "a" - Valve stem diameter "b" 2. Replace: ...

    2025 Copyright www.yam-r125.net |