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:

    Catalytic converters
    This vehicle is equipped with catalytic converters in the exhaust system. WARNING The exhaust system is hot after operation. To prevent a fire hazard or burns: Do not park the vehicle near possible fire hazards such as grass or other materials that easily burn. Park the vehic ...

    Multi-function display
    1. Multi-function display 2. "RESET/SELECT" button The multi-function display is equipped with the following: a speedometer (which shows the riding speed) an odometer (which shows the total distance traveled) two tripmeters (which show the distance traveled since they were last ...

    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 ...

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