Abstract: A power transmission system cover for an engine has a cover portion, formed of a single piece material and adapted to be attached to a sidewall of the engine, covering at least a part of a power transmission system which transmits a rotating force of a crankshaft to a camshaft. The cover portion is integrally provided with a passage forming portion defining a flow-passage in which a fluid element to be supplied to the engine flows, and an engine mount bracket located near the passage forming portion.

Abstract: A power transmission system cover for engine has a cover portion, a passage forming portion, and an engine mount bracket. The cover portion is located on a sidewall of an engine. The cover portion covers at least a part of a power transmission system which transmits a turning force of a crankshaft to a camshaft. The passage forming portion projects from the cover portion and defines a flow-passage in which a fluid element to be supplied to the engine flows. The engine mount bracket is formed integrally with the cover portion and located near the passage forming portion.