Breather system and straddle-type four wheeled all terrain vehicle comprising breather system

Abstract

Disclosed is a breather system for a fuel tank reliably performing a function of a breather when a vehicle is inclined to the right or to the left and a straddle-type four wheeled all terrain vehicle comprising the breather system in which the fuel tank is provided below a seat, and a fuel inlet and a tank cap covering the fuel inlet is protruded from a rear fender laterally of the seat. The breather system has two breather openings provided in the fuel tank, breather hoses respectively connected to the breather openings, a T-shape joint integrally connecting the breather hoses, and a check valve connected to an ambient side of the T-shape joint, and the two breather openings are provided on the right and left sides of the fuel tank so as to be spaced apart from each other.

Dependencies are inferred from the claim text.