Yamaha YZF-R125 Service Manual: Installing the shift shaft

Yamaha YZF-R125 Service Manual / Engine / Shift shaft / Installing the shift shaft

1. Install:

  • Stopper lever "1"
  • Stopper lever spring "2"

NOTE:

  • Install the stopper lever spring as shown in the illustration.
  • Hook the ends of the stopper lever spring onto the stopper lever and the crankcase boss "3".
  • Mesh the stopper lever with the shift drum segment assembly.

Installing the shift shaft


2. Install:

  • Shift shaft "1"

NOTE:

Hook the end of the shift shaft spring onto the shift shaft spring stopper "2".

    Checking the shift shaft
    1. Check: Shift shaft Bends/damage/wear Replace. Shift shaft spring Damage/wear Replace. Checking the stopper lever 1. Check: Stopper lever Bends/damage Replace. Roller ...

    Balancer gear
    ...

    Other materials:

    Checking the front brake disc
    1. Remove: Front wheel Refer to "FRONT WHEEL" on page 4-6. 2. Check: Brake disc Damage/galling Replace. 3. Measure: Brake disc deflection Out of specification Correct the brake disc deflection or replace the brake disc. a. Place the vehicle on a suitable stand ...

    Removing the valves
    The following procedure applies to all of the valves and related components. NOTE: Before removing the internal parts of the cylinder head (e.g., valves, valve springs, valve seats), make sure the valves properly seal. 1. Check: Valve sealing Leakage at the valve seat Check the valve ...

    Bearings and oil seals
    Install bearings "1" and oil seals "2" so that the manufacturer's marks or numbers are visible. When installing oil seals "1", lubricate the oil seal lips with a light coat of lithium-soap-based grease. Oil bearings liberally when installing, if appropriate. CAUTION:Do not spin th ...

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