Yamaha YZF-R125 Service Manual: Removing the swingarm

Yamaha YZF-R125 Service Manual / Chassis / Swingarm / Removing the swingarm

1. Stand the vehicle on a level surface.

WARNING

Securely support the vehicle so that there is no danger of it falling over.

NOTE:

Place the vehicle on a suitable stand so that the rear wheel is elevated.

2. Measure:

  • Swingarm side play
  • Swingarm vertical movement

a. Measure the tightening torque of the pivot shaft nut.


b. Measure the swingarm side play "A" by moving the swingarm from side to side.

c. If the swingarm side play is out of specification, check the spacers, bearings, and dust covers.


Removing the swingarm


3. Remove:

  • Pivot shaft nut
  • Pivot shaft
  • Swingarm "1"
  • Swingarm adjusting collar "2"

a. Loosen the pivot shaft nut.

b. Fully turn in the swingarm adjusting collar so that it contacts the frame "3".

c. Remove the pivot shaft nut, washer, pivot shaft and swingarm.

Removing the swingarm


    Swingarm
    ...

    Checking the swingarm
    1. Check: Swingarm Bends/cracks/damage   Replace. 2. Check: Pivot shaft Roll the pivot shaft on a flat surface. Bends Replace. WARNINGDo not attempt to straighten ...

    Other materials:

    Adjusting the rear disc brake
    1. Check: Brake pedal position (distance "a" from the center of the rider footrest to the center of the brake pedal) Out of specification Adjust. 2. Adjust: Brake pedal position a. Loosen the locknut "1". b. Remove the cotter pin "2", washer "3", and pin "4". c. Turn t ...

    Checking the steering head
    1. Wash: Bearings Bearing races 2. Check: Bearings Bearing races Damage/pitting →Replace. 3. Replace: Bearings Bearing races a. Remove the bearing races from the steering head pipe with a long rod "1" and hammer. b. Remove the bearing race from the lower bracket ...

    Cleaning the air filter element
    NOTE: There is a check hose "1" at the bottom of the air filter case. If dust and/or water collects in this hose, clean the air filter element and air filter case. 1. Remove: Rider seat Refer to "GENERAL CHASSIS" on page 4-1. 2. Remove: Fuel tank Refer to "FUEL TANK" on page ...

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