Patent ID: 7523726
Filing Date: 2009-04-28
Classification: F01P,F02F

Abstract:
1. An air-cooled V-shaped engine comprising an engine main body formed by projecting cylinders ( 3 ) from a crank case ( 2 ) obliquely upwardly in a left and right direction when seen from the front in a direction parallel to a crank-shaft center axis ( 1 ) and attaching a cylinder head ( 4 ) to a projecting end of each of the cylinders ( 3 ), a fan case ( 5 ) being attached to a forward portion of the engine main body, an air-blowing fan ( 7 ) being housed in the fan case ( 5 ), a central cooling-air passage ( 8 ) being formed between the left and right cylinders ( 3 ), ( 3 ) and between the cylinder heads ( 4 ), ( 4 ), cooling air produced by the air-blowing fan ( 7 ) being supplied to the central cooling-air passage ( 8 ), a throttle body ( the fan case (