Patent ID: 7089917

Claim:
A snowmobile, comprising: a chassis; a straddle-type seat mounted to the chassis; a handlebar assembly carried by the chassis; an endless track carried by a rear suspension system mounted to the chassis; a front suspension system mounted to the chassis; left and right steerable skis carried by the front suspension system, the skis being steerably connected to the handlebars, a fuel injected engine operably coupled to drive the endless track; a fuel tank; a sump tank operatively coupled with the fuel tank; a check valve located at the bottom of the sump tank that passes fuel from the fuel tank to the sump tank; a transfer pump operatively coupled to the fuel tank and the sump tank for transferring fuel from the fuel tank to the sump tank; a fuel pump coupled to the sump tank; and a fuel supply line coupled to the fuel pump and to the engine.