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:

    Main switch/steering lock
    Main switch/steering lock The main switch/steering lock controls the ignition and lighting systems, and is used to lock the steering. The various positions are described below. ON All electrical circuits are supplied with power, the meter lighting, taillight, license plate light and ...

    Checking the front and rear brake pads
    The front and rear brake pads must be checked for wear at the intervals specified in the periodic maintenance and lubrication chart. Front brake pads Remove the front brake caliper by removing the bolts. Bolt Brake caliper Lining thickness Check each front br ...

    Checking the timing chain and timing chain guide
    1. Check: Timing chain Damage/stiffness Replace the timing chain and camshaft sprocket as a set. 2. Check: Timing chain guide (intake side) Damage/wear Replace. Checking the oil strainer 1. Check: Oil strainer Damage   Replace. Contaminants Clean with solvent. ...

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