Yamaha YZF-R125 Service Manual: Removing the fuel tank

Yamaha YZF-R125 Service Manual / Fuel system / Fuel tank / 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.

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:

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 sh ...

Checking the camshaft
1. Check: Camshaft lobes Blue discoloration/pitting/scratches Replace the camshaft. 2. Measure: Camshaft lobe dimensions "a" and "b" Out of specification Replace the camshaft. 3. Check: Camshaft oil passage Obstruction Blow out with compressed air. ...

Checking the fuel pressure
1. Check: Pressure regulator operation a. Remove the fuel hose connector cover "1" and disconnect the fuel hose "2" from the fuel pump. CAUTION:Although the fuel has been removed from the fuel tank, be careful when removing the fuel hose, since there may be fuel remaining i ...