ENGINE SUPERCHARGER DRIVE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an engine of a motorcycle, in which an increase in the number of components can be suppressed.SOLUTION: An engine (E) of a motorcycle includes a supercharger (12) that is driven by power from a crankshaft (2) of the engine (E). A crankshaft gear (5) is formed on the outer circumference of a web of the crankshaft (2). The power for driving the supercharger (12) is extracted from the crankshaft gear (5).