Patent ID: 6708659
Filing Date: 2004-03-23
Classification: F01L,F01M,F02B,F02F

Abstract:
An internal combustion engine comprising an engine body, a movable member movable relative to the engine body, the engine body and the movable member together defining a combustion chamber, the engine body defining intake and exhaust ports communicating with the combustion chamber, an air induction system communicating with the combustion chamber through the intake port, an exhaust system communicating with the combustion chamber through the exhaust port, an intake valve arranged to move between an open position and a closed position, an exhaust valve arranged to move between an open position and a closed position, a camshaft configured to actuate either the intake valve or the exhaust valve, the camshaft extending generally vertically, and a member configured to engage the engine body so as to enclose the camshaft, the member defining an opening through which a tool can pass, the tool being configured to prevent the camshaft from rotating.