Remove the fuel tank unit.
Remove the fuel level sensor (fuel sending unit) (A) from the fuel tank unit (B).

Check these items before installing the fuel tank unit:
When connecting the wire harness, make sure the connection is secure and the connector (C) is firmly locked into place.
When installing the fuel gauge sending unit, make sure the connection is secure. Be careful not to bend or twist it excessively.
Install the parts in the reverse order of removal. When installing the fuel tank unit, align the marks on the unit and the fuel tank.
Replacement (Part -1)
Remove some of the brake fluid from the master cylinder.
Raise and support the vehicle.
Remove the front wheels.
Remove the brake hose mounting bolt (A).
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Engine Block Drain Bolt/Sealing Bolt Installation
NOTE:
When installing the drain bolt (A), always use a new washer.
When installing the sealing bolt(s) (B), always use a new bolt(s) and
washer(s) (C).
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Front Passenger's Weight Sensor Replacement (Part-1)
Removal
NOTE: .
Removal of the front passenger's weight sensors must be
done according to precautions and procedures.
The front passenger's weight sensor are part of the ...