Yamaha YZF-R125 Service Manual: Disassembling the water pump

Yamaha YZF-R125 Service Manual / Cooling system / Water pump / Disassembling the water pump

1. Remove:

  • Water pump seal "1"

NOTE:

Remove the water pump seal from the inside of the water pump housing "2".

Disassembling the water pump


2. Remove:

  • Bearing "1"

NOTE:

Remove the bearing from the outside of the water pump housing "2".

Disassembling the water pump


    Water pump
    ...

    Checking the water pump
    1. Check: Water pump housing cover Water pump housing Cracks/damage Replace. Impeller shaft Cracks/damage/wear Replace. Bearing Rough movement Replace. Radiator outlet hose Crac ...

    Other materials:

    Checking the diode
    1. Check: Diode Out of specification Replace. NOTE: The pocket tester or the analog pocket tester readings are shown in the following table. a. Disconnect the diode from the wire harness. b. Connect the pocket tester ( × 1) to the diode terminals as shown. c. Check the diod ...

    Removing the generator
    1. Remove: Generator rotor nut "1" Washer NOTE: While holding the generator rotor "2" with the sheave holder "3", loosen the generator rotor nut. Do not allow the sheave holder to touch the projection on the generator rotor. 2. Remove: Generator rotor "1" (with the ...

    Adjusting the throttle cable free play
    NOTE: Prior to adjusting the throttle cable free play, the engine idling speed should be adjusted. 1. Check: Throttle cable free play "a" Out of specification →Adjust. 2. Remove: Right side panel Refer to "GENERAL CHASSIS" on page 4-1. 3. Adjust: Throttle cable f ...

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