Yamaha YZF-R125 Service Manual: Installing the swingarm

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

1. Lubricate:

  • Bearings
  • Spacers
  • Dust covers
  • Pivot shaft

2. Install:

  • Bearings "1"

Installing the swingarm


2. Swingarm

A. Left side

B. Right side

3. Install:

  • Swingarm adjusting collar "1"
  • Swingarm "2"
  • Pivot shaft
  • Pivot shaft nut "3"

a. Install, and then fully turn in the swingarm adjusting collar so that it contacts the frame.

Installing the swingarm


b. Install the swingarm, pivot shaft, washer and pivot shaft nut.

NOTE:

Temporarily tighten the pivot shaft nut.

c. Turn the swingarm adjusting collar out to tighten it and so that it contacts the dust cover on the swingarm.

d. Tighten the pivot shaft nut.


Installing the swingarm


e. Check the swingarm side play.

Refer to "REMOVING THE SWINGARM" on page 4-61.

4. Install:

  • Rear shock absorber assembly
  • Relay arm
  • Rear wheel Refer to "REAR SHOCK ABSORBER ASSEMBLY" on page 4-56 and "REAR WHEEL" on page 4-12.

5. Adjust:

  • Drive chain slack Refer to "ADJUSTING THE DRIVE CHAIN SLACK" on page 3-21.

    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 ...

    Chain drive
    Removing the drive chain 1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. NOTE: Place the vehicle on ...

    Other materials:

    Installing the piston and cylinder
    1. Install: Top ring "1" 2nd ring "2" Oil ring expander "3" Lower oil ring rail "4" Upper oil ring rail "5" NOTE: Be sure to install the piston rings so that the manufacturer marks or numbers face up. 2. Install: Piston "1" Piston pin "2" Piston pin clips "3" NOTE: ...

    Replacing the front brake pads
    NOTE: When replacing the brake pads, it is not necessary to disconnect the brake hose or disassemble the brake caliper. 1. Measure: Brake pad wear limit "a" Out of specification Replace the brake pads as a set. 2. Install: Brake pad support Brake pad spring Brake pads ...

    Checking the primary driven gear
    1. Check: Primary driven gear "1" Damage/wear Replace the primary drive gear and clutch housing as a set. Excessive noise during operation  Replace the primary drive gear and clutch housing as a set. ...

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