Yamaha YZF-R125 Service Manual: Checking the shift shaft

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

1. Check:

  • Shift shaft Bends/damage/wear Replace.

  • Shift shaft spring Damage/wear Replace.

Checking the shift shaft


Checking the stopper lever

1. Check:

  • Stopper lever Bends/damage Replace.


    Roller turns roughly Replace
    the stopper lever.

  • Stopper lever spring Damage/wear Replace.

    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 stoppe ...

    Other materials:

    Checking the speed sensor
    1. Check: Speed sensor output voltage Out of specification → Replace. a. Connect the pocket tester (DC 20 V) to the speed sensor coupler (wire harness end) as shown. Positive tester probe gray "1" Negative tester probe gray/black "2" b. Set the main switch to "ON". c. ...

    Checking the stator coil
    1. Disconnect: Stator coil coupler (from the wire harness) 2. Check: Stator coil resistance Out of specification → Replace the crankshaft position sensor/stator assembly. a. Connect the pocket tester ( × 1) to the stator coil coupler as shown. b. Measure the sta ...

    Checking and lubricating the cables
    The operation of all control cables and the condition of the cables should be checked before each ride, and the cables and cable ends should be lubricated if necessary. If a cable is damaged or does not move smoothly, have a Yamaha dealer check or replace it. WARNING! Damage to the out ...

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