ENGINE, LID MOUNTED THEREON AND VEHICLE EQUIPPED WITH THE ENGINE

摘要

PROBLEM TO BE SOLVED: To miniaturize an engine having a breather chamber.;SOLUTION: An engine 2 is equipped with a crank shaft 28, an upper balancer shaft 40, a crank case 21 and a breather member 80. The upper balancer shaft 40 is arranged so as to keep the axial center thereof higher than the axial center of the crank shaft 28. The crank case 21 includes a crank chamber 23 for accommodating the crank shaft 28 and upper balancer shaft 40. A rotary shaft insertion inlet 74 for inserting the upper balancer shaft 40 into the crank chamber 23 is formed in the upper part of the crank case 21. The breather member 80 is provided with a breather chamber 84 for communicating to the crank chamber 23, and arranged in the rotary shaft insertion inlet 74 in plan view.;COPYRIGHT: (C)2009,JPO&INPIT