Patent ID: 7275523

Claim:
A fuel supply unit in a fuel tank for a motorcycle, wherein the fuel tank for a motorcycle is formed in an approximately inverse U-shape in its cross section with a structure comprising: a center tank chamber formed along a running direction of a motorcycle; one side tank chamber formed with an inclined part extending from a bottom part of the center tank chamber toward the lower side of one side; and another side tank chamber formed with an inclined part extending from the bottom part of the center tank chamber toward the lower side of another side, a fuel pump, which has a fuel filter on the low pressure side and is connected to a pump suction passage, is attached to a closing plate for closing a unit inserting hole, which is provided on a bottom part of the center tank chamber, through a supporting body, a longitudinal axial line of the fuel pump is arranged in the one side tank chamber along an inclined part of the one side tank chamber, and the pump suction passage of the fuel pump is opened facing to the bottom part in the one side tank chamber at a lower position than the bottom part of the center tank chamber, and further, said fuel filter on the low pressure side is arranged on the one side tank chamber along the inclined part of the one side tank chamber at a lower position than the bottom part of the center tank chamber and is further arranged between the inclined part of the one side tank chamber and the fuel pump along the longitudinal axial line of the fuel pump.