Yamaha YZF-R125 Service Manual: Removing the fuel tank

1. Extract the fuel in the fuel tank through the fuel tank filler hole with a pump.

2. Remove:

  • Fuel hose connector cover "1"

3. Disconnect:

  • Fuel hose "2"
CAUTION:
  • Be sure to disconnect the fuel hose by hand. Do not forcefully disconnect the hose with tools.
  • Although the fuel has been removed from the fuel tank, be careful when removing the fuel hose, since there may be fuel remaining in it.
  • Do not disconnect the fuel hose from the fuel hose connector. Disconnect the connector from the fuel pump.

NOTE:

Before removing the hose, place a few rags in the area under where it will be removed.

Removing the fuel tank


4. Remove:

  • Fuel tank

Checking the fuel pump body

1. Check:

Fuel pump body Obstruction Clean.


Cracks/damage Replace the fuel tank.


    Fuel tank
    ...

    Installing the fuel hose
    1. Install: Fuel hose Fuel hose connector cover CAUTION:When installing the fuel hose, make sure that it is securely connected, and that the fuel hose connector cover is in t ...

    Other materials:

    Intake air pressure sensor
    1. Check: Intake air pressure sensor output voltage Out of specification Replace the throttle body. a. Connect the pocket tester (DC 20 V) to the throttle body sensor assembly coupler as shown. Positive tester probe pink/white "1" Negative tester probe gray/black "2" ...

    Removing the primary drive gear and balancer gears
    1. Loosen: Primary drive gear nut "1" NOTE: Place the aluminum plate "a" between the balancer drive gear "2" and the balancer driven gear "3", and then loosen the primary drive gear nut. 2. Straighten the lock washer tab. 3. Loosen: Balancer driven gear nut "1" NOTE: Place ...

    Removing the rear wheel (disc)
    1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Elevate: Rear wheel NOTE: Place the vehicle on a suitable stand so that the rear wheel is elevated. 3. Remove: Rear brake caliper NOTE: ...

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