Yamaha YZF-R125 Service Manual: Installing the relay arm

1. Lubricate:

  • Spacers
  • Bearings
  • Oil seals
  • Bolts (unthreaded shaft portion only)

2. Install:

  • Bearing "1" (to the relay arm)
  • Oil seal "2" (to the relay arm)

Installing the relay arm


3. Rear shock absorber assembly

4. Relay arm

5. Connecting arm

A. Left side

B. Right side

    Checking the connecting arms and relay arm
    1. Check: Connecting arms Relay arm Damage/wear Replace. 2. Check: Bearings Oil seals Damage/pitting Replace. 3. Check: Spacers Damage/scratches Replace. ...

    Installing the rear shock absorber assembly
    1. Install: Rear shock absorber assembly Relay arm "1" NOTE: Install the relay arm as shown in the illustration. 2. Tighten: Rear shock absorber assembly upper nut Relay arm nu ...

    Other materials:

    Setting the normal mode
    NOTE: The engine speed, coolant temperature, and fault code, if detected, can be displayed on the LCD of the FI diagnostic tool when the tool is connected to the vehicle and is set to the normal mode. 1. Set the main switch to "OFF" and the engine stop switch to "". 2. Disconnect the self- ...

    Checking the coolant level
    1. Stand the vehicle on a level surface. NOTE: Place the vehicle on a suitable stand. Make sure the vehicle is upright. 2. Check: Coolant level The coolant level should be between the maximum level mark "a" and minimum level mark "b". Below the minimum level mark →  Add t ...

    Checking the valve seats
    The following procedure applies to all of the valves and valve seats. 1. Eliminate: Carbon deposits (from the valve face and valve seat) 2. Check: Valve seat Pitting/wear Replace the cylinder head. 3. Measure: Valve seat width C "a" Out of specification Replace the ...

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