Yamaha YZF-R125 Service Manual: Removing the primary drive gear and balancer gears

Yamaha YZF-R125 Service Manual / Engine / Balancer gear / Removing the primary drive gear and balancer gears

1. Loosen:

  • Primary drive gear nut "1"

NOTE:

Place the aluminum plate "a" between the balancer drive gear "2" and the balancer driven gear "3", and then loosen the primary drive gear nut.

Removing the primary drive gear and balancer gears


2. Straighten the lock washer tab.

3. Loosen:

  • Balancer driven gear nut "1"

NOTE:

Place the aluminum plate "a" between the balancer drive gear "2" the and the balancer driven gear "3", and then loosen the balancer driven gear nut.

Removing the primary drive gear and balancer gears


    Balancer gear
    ...

    Checking the balancer gears and primary drive gear
    1. Check: Balancer drive gear Balancer driven gear Cracks/damage/wear Replace. 2. Check: Primary drive gear Refer to "CHECKING THE PRIMARY DRIVE GEAR" on page 5-43. ...

    Other materials:

    Checking and lubricating the brake and clutch levers
    Brake lever Brake lever Clutch lever Clutch lever The operation of the brake and clutch levers should be checked before each ride, and the lever pivots should be lubricated if necessary. Recommended lubricants:Brake lever: Silicone grease Clutch lever: Lithium-soap ...

    Installing the throttle body
    1. Install: Throttle body joint clamps NOTE: Align the projections "a" on the throttle body joint with the slot "b" in each throttle body joint clamp. 2. Install: Throttle body joint NOTE: Align the projection "a" on the throttle body joint with the slot "b" in the intake mani ...

    Installing the primary drive gear and balancer gears
    1. Install: Balancer driven gear "1" Lock washer Balancer drive gear "2" Primary drive gear Washer "3" Balancer driven gear nut Primary drive gear nut NOTE: Align the punch mark "a" in the balancer drive gear "2" with the punch mark "b" in the balancer driven gear "1". ...

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