Patent ID: 6637401
Filing Date: 2003-10-28
Classification: F01L,F02B

Abstract:
An engine for an outboard motor, said engine comprising an engine case, a crankshaft extending through said case in a generally vertical direction, said crankshaft projecting upwardly from said engine case and having a rotational axis, said crankshaft having a stepped configuration defined by a reduced diameter portion, said crankshaft also having a surface that is generally normal to said rotational axis and that abuts said reduced diameter portion, a drive pulley mounted on said crankshaft on said reduced diameter portion, a flexible transmitter connecting a driven pulley to said drive pulley, the driven pulley being mounted to a cam shaft, and a plurality of fasteners joining said drive pulley to said crankshaft, each of said plurality of fasteners having a center axis that extends generally parallel to said rotational axis of said crankshaft and extending into a blind hole having an opening on said surface.