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:

    Fi system
    The fuel pump delivers fuel to the fuel injector via the fuel filter. The pressure regulator maintains the fuel pressure that is applied to the fuel injector at only 250 kPa (2.50 kg/cm², 36.3 psi). Accordingly, when the energizing signal from the ECU energizes the fuel injector, the fuel ...

    Checking the shift drum assembly
    1. Check: Shift drum groove Damage/scratches/wear Replace the shift drum assembly. Shift drum segment "1" Damage/wear  Replace the shift drum assembly. Shift drum bearing "2" Damage/pitting Replace the shift drum assembly. ...

    Troubleshooting
    Although Yamaha motorcycles receive a thorough inspection before shipment from the factory, trouble may occur during operation. Any problem in the fuel, compression, or ignition systems, for example, can cause poor starting and loss of power. The following troubleshooting charts repre ...

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