Patent ID: 7455039
Filing Date: 2008-11-25
Classification: F01L

Abstract:
1. An engine comprising a crankcase, a crankshaft disposed within the crankcase, a main cylinder body disposed on the crankcase, a cylinder head mounted above the crankcase, a chain chamber formed inside the cylinder head, a camshaft provided at the cylinder head, a cam chain located in the chain chamber and configured to transmit a driving force of the crankshaft to the camshaft, a chain guide member configured to guide the cam chain, and a tension applying member configured to apply tension to the cam chain via the chain guide member, wherein the tension applying member is mounted so as to extend through a mating face between the cylinder head and the crankcase, wherein the tension applying member comprises a mounting portion mounted to the cylinder head, and a pressed portion, which protrudes toward the crankcase, configured to press the chain guide member.