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:

    Removing the cylinder head
    1. Align: "I" mark "a" on the generator rotor (with the stationary pointer "b" on the generator cover) a. Turn the crankshaft counterclockwise. b. When the piston is at TDC on the compression stroke, align the "I" mark "c" on the camshaft sprocket with the mark "d" on the cylinder h ...

    Installing the rear brake caliper
    1. Install: Brake caliper "1" Copper washers Brake hose "2" Union bolt "3" WARNINGProper brake hose routing is essential to insure safe vehicle operation. Refer to "CABLE ROUTING" on page 2-33. CAUTION:When installing the brake hose onto the brake calip ...

    Identification
    Vehicle identification number The vehicle identification number "1" is stamped into the right side of the steering head pipe. Model label The model label "1" is affixed to the frame. This information will be needed to order spare parts. ...

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