Patent ID: 7931010

Claim:
A fuel supply system for a boat, the fuel supply system comprising: a second fuel tank arranged to be connected to a first fuel tank mounted on a hull of a boat and arranged to maintain an inner fuel level at a predetermined height; a fuel injection device arranged to supply fuel to an engine; and a fuel supply pump disposed outside the second fuel tank and arranged to supply the fuel in the second fuel tank to the fuel injection device; wherein the fuel supply pump includes a negative pressure generating portion inside the fuel supply pump and arranged to generate negative pressure when the fuel supply pump draws fuel, the negative pressure generating portion being positioned generally at a same level as or lower than the fuel level in the second fuel tank; the fuel supply pump is adjacent to and fixed to a side of the second fuel tank; and a throttle body including a throttle valve arranged to adjust a flow rate of air supplied to the engine is adjacent to and fixed to at least one of the second fuel tank and the fuel supply pump.