Yamaha YZF-R125 Service Manual: Assembling the oil pump

Yamaha YZF-R125 Service Manual / Engine / Oil pump / Assembling the oil pump

1. Lubricate:

  • Oil pump inner rotor
  • Oil pump outer rotor
  • Oil pump driven gear (with the recommended lubricant)

2. Install:

  • Oil pump outer rotor
  • Oil pump inner rotor "1"
  • Oil pump driven gear
  • Pin "2"

NOTE:

When installing the inner rotor, align the pin "2" in the oil pump shaft with the groove "a" in the inner rotor "1".

Assembling the oil pump


3. Check:

  • Oil pump operation Refer to "CHECKING THE OIL PUMP" on page 5-49.
    Checking the oil pump
    1. Check: Oil pump drive gear Oil pump driven gear Oil pump housing Oil pump housing cover Cracks/damage/wear Replace the defective part(s). 2. Measure: Inner-rotor-to-outer-r ...

    Installing the oil pump
    1. Install: Oil pump assembly CAUTION:After tightening the screws, make sure the oil pump turns smoothly. ...

    Other materials:

    Owner's tool kit
    Owner's tool kit Owner's tool kit Engine oil drain attachment The owner's tool kit is located under the rider seat. The service information included in this manual and the tools provided in the owner's tool kit are intended to assist you in the performance of preventive maint ...

    Checking the rocker arms and rocker arm shafts
    The following procedure applies to all of the rocker arms and rocker arm shafts. 1. Check: Rocker arm Damage/wear Replace. 2. Check: Rocker arm shaft Blue discoloration/excessive wear/pitting/ scratches  Replace or check the lubrication system. 3. Measure: Rocke ...

    Tachometer
    Tachometer Tachometer Tachometer red zone The electric tachometer allows the rider to monitor the engine speed and keep it within the ideal power range. When the key is turned to "ON", the tachometer needle will sweep once across the r/min range and then return to zero r/min ...

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