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:

    Periodic maintenance and adjustment
    Periodic inspection, adjustment, and lubrication will keep your vehicle in the safest and most efficient condition possible. Safety is an obligation of the vehicle owner/operator. The most important points of vehicle inspection, adjustment, and lubrication are explained on the followin ...

    Checking the radiator
    1. Check: Radiator fins obstruction clean. Apply compressed air to the rear of the radiator. Damage  repair or replace. NOTE: Straighten any flattened fins with a thin, flat-head screwdriver. 2. Check: Radiator hoses Cracks/damage Replace. 3. Measure: Radiator cap ...

    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 |