Yamaha YZF-R125 Service Manual: Checking the clutch boss

Yamaha YZF-R125 Service Manual / Engine / Clutch / Checking the clutch boss

1. Check:

Clutch boss splines Damage/pitting/wear Replace the
clutch boss.

NOTE:

Pitting on the clutch boss splines will cause erratic clutch operation.

Checking the clutch boss


Checking the pressure plate

1. Check:

Pressure plate Cracks/damage Replace.


Checking the clutch push lever and short clutch push rod

1. Check:

  • Clutch push lever
  • Short clutch push rod Damage/wear Replace the
    defective part(s).
    Checking the clutch housing
    1. Check: Clutch housing dogs "1" Damage/pitting/wear  Deburr the clutch housing dogs or replace the clutch housing. NOTE: Pitting on the clutch housing dogs will cause erratic cl ...

    Checking the primary drive gear
    1. Remove: Primary drive gear Refer to "BALANCER GEAR" on page 5-53. 2. Check: Primary drive gear Damage/wear  Replace the primary drive gear and clutch housing as a set. ...

    Other materials:

    Circuit diagram
    4. Main fuse 5. Main switch 9. Battery 14.Neutral switch 25.ECU (engine control unit) 31.Fuel sender 34.Rear brake light switch 35.Front brake light switch 37.Tail/brake light 38.Rear right turn signal light 39.Rear left turn signal light 40.Front right turn signal light 41.Front lef ...

    Installing the drive chain
    1. Lubricate: Drive chain Master link 2. Install: Drive sprocket Drive sprocket retainer bolts 3. Install: Master link O-rings Master link plate Master link clip "1" CAUTION: The closed end of the master link clip must face in the direction of drive ch ...

    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 ...

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