Fuel supply system for internal combustion engine and fuel transfer tube

摘要

In a fuel supply system constituted such that there is disposed a saddle type fuel tank provided with a main chamber and an auxiliary chamber on both sides of an upwardly protruding center portion of a bottom face thereof, a fuel transfer tube which is mounted to lie over the protruding portion of the fuel tank, is connected to a fuel introduction port of a jet pump disposed on a main chamber side, to pump fuel in the auxiliary chamber via the fuel transfer tube, at least a part of the fuel transfer tube is formed by arranging alternately a plurality of bellows portions each of which cross section is changed, and a plurality of straight portions each of which cross section is fixed.