Yamaha XMAX YP125R - Service manual > Fuel tank

Removing the fuel tank

Removing the 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. Remove:

• Fuel hose "2"

NOTICE

• 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.

TIP

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

4. Remove:

• Fuel sender "1"

TIP

Remove the fuel sender with the fuel sender wrench "2".

Fuel sender wrench 90890-11098

5. Remove:

• Fuel tank

TIP

To remove the fuel tank, lower the radiator "1".

NOTICE

When removing the fuel tank, be sure not to pull forcefully on the radiator hoses "2".

Checking the fuel pressure

1. Check:

• Pressure regulator operation

a. Remove the fuel hose connector cover "1", and then remove the fuel hose "2" from the fuel pump.

NOTICE

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.

TIP

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

b. Connect the pressure gauge "3" and fuel pressure adapter "4".

Pressure gauge 90890-03153 YU-03153

Fuel pressure adapter 90890-03181

c. Start the engine.

d. Measure the fuel pressure.

Output pressure 250.0 kPa (2.50 kgf/cm², 36.3 psi)

Faulty → Replace the fuel tank (with fuel pump).

e. Connect the fuel hose and install the fuel hose connector cover.

Installing the fuel tank

1. Install:

• Gasket
• Fuel sender "1"

TIP

Install the fuel sender with the fuel sender wrench "2".

Fuel sender wrench 90890-11098

2. Install:

• Fuel hose
• Fuel hose connector cover

NOTICE

When installing the fuel hose, make sure that it is securely connected, and that the fuel hose connector cover is in the correct position, otherwise the fuel hose will not be properly installed.

TIP

• Wipe up any fuel remaining in the recess "a" in the fuel pump with a dry rag "1".
• After installing the fuel hose connector cover "2", make sure that it is installed securely.

See also: