Patent ID: 8192241

Claim:
A fuel supply system for an outboard motor, arranged to supply fuel into an outboard motor main body from a fuel tank, comprising: a fuel supply channel; and a joint unit arranged to join the fuel supply channel to the fuel tank or the outboard motor main body; wherein the joint unit includes first and second joint members arranged to be connectable to and separable from each other, and a sealing member arranged to seal a gap between the first and second joint members; the first joint member includes a first flow channel arranged to allow fuel to flow therethrough, a first valve arranged in the first flow channel, and a tubular first fitting portion arranged to surround the first flow channel; the second joint member includes a second flow channel arranged to allow fuel to flow therethrough, a second valve arranged in the second flow channel, and a tubular second fitting portion arranged to surround the second flow channel; the first valve has a first pressing end arranged to be pressed by the second joint member when the first and second joint members are connected in a predetermined coupling direction, and includes a first valve body arranged to be displaced when the first pressing end is pressed; the second valve has a second pressing end arranged to be pressed by the first joint member when the first and second joint members are connected in the coupling direction, and includes a second valve body arranged to be displaced when the second pressing end is pressed; the first and second tubular fitting portions are arranged to fit each other before the first and second pressing ends come into contact with the second and first joint members, respectively, when the first and second joint members are connected; and the sealing member is held on the first or second joint member so as to seal a gap between the first and second tubular fitting portions before the first and second pressing ends come into contact with the second and first joint members, respectively, when the first and second joint members are connected.