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:

    Checking the ignition spark gap
    1. Check: Ignition spark gap Out of specification Perform the ignition system troubleshooting, starting with step 5. Refer to "TROUBLESHOOTING" on page 8-3. NOTE: If the ignition spark gap is within specification, the ignition system circuit is operating normally. a. Disconnect the spa ...

    Checking the throttle body joint and air filter case joint
    1. Remove: Right lower side cowling Left lower side cowling Refer to "GENERAL CHASSIS" on page 4-1. 2. Check: Throttle body joint "1" Air filter case joint "2" Cracks/damage Replace. 3. Install: Right lower side cowling Left lower side cowling Refer to "GENERAL CHAS ...

    Adjusting the drive chain slack
    NOTE: The drive chain slack must be checked at the tightest point on the chain. CAUTION:A drive chain that is too tight will overload the engine and other vital parts, and one that is too loose can skip and damage the swingarm or cause an accident. Therefore, keep the drive ...

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