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:

    Main switch/steering lock
    Main switch/steering lock The main switch/steering lock controls the ignition and lighting systems, and is used to lock the steering. The various positions are described below. ON All electrical circuits are supplied with power, the meter lighting, taillight, license plate light and ...

    Throttle position sensor
    1. Check: Throttle position sensor a. Connect the digital circuit tester to the terminals of the throttle body sensor assembly coupler as shown. Positive tester probe → gray/red terminal "1" Negative tester probe → gray/black terminal "2" b. Measure the throttle pos ...

    Checking the coolant temperature sensor
    1. Remove: Coolant temperature sensor WARNING Handle the coolant temperature sensor with special care. Never subject the coolant temperature sensor to strong shocks. If the coolant temperature sensor is dropped, replace it. 2. Check: Coolant temper ...

    2026 Copyright www.yam-r125.net |