Patent ID: 6142842
Filing Date: 2000-11-07
Classification: B63H,F01M,F02B,F02D,F02M

Abstract:
An internal combustion engine having a cylinder block with a plurality of vertically spaced cylinder bores, a cylinder head affixed to one end of said cylinder block so as to close one end of said cylinder bores, a crankcase member is affixed to the other end of said cylinder block so as to close the other end of said cylinder bores and to form a crankcase chamber in which a crankshaft is rotatably journaled, pistons slidably supported in each of said cylinder bores and connected to said crankshaft to drive the crankshaft, said pistons, said cylinder bores and said cylinder head forming combustion chambers of said engine, and an induction system for delivering at least an air charge to said engine combustion chambers, said induction system includes a vertically extending, elongated plenum chamber that is juxtaposed to said crankcase member and which has an air inlet opening formed in a side thereof, a plurality of runner sections extending from said plenum chamber to individual intake ports of said engine, said runner sections all extending along one side of said engine, said induction system comprised of at least said plenum chamber, said runner sections and a manifold that attaches to said individual intake ports of said engine connected as a unit and attached to the remaining engine body with the use of locating pins fixed to the engine body, said locating pins not extending through said manifold.