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 condition of the bulb sockets
    The following procedure applies to all of the bulb sockets. 1. Check: Bulb socket (for continuity) (with the pocket tester) No continuity Replace. NOTE: Check each bulb socket for continuity in the same manner as described in the bulb section, however, note the following. a. Install a ...

    Troubleshooting charts
    Starting problems or poor engine performance Starting problems or poor engine performance Engine overheating WARNING Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be blown out under pressure, which could cause serious injury. Be ...

    Checking the decompression system
    1. Check: Decompression system a. Check the decompression system with the camshaft sprocket and the decompression cam installed to the camshaft. b. Check that the decompression lever "1" moves smoothly. c. Without operating the decompression lever, check that the decompression cam " ...

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