ENGINE

摘要

An engine capable of transmitting a rotational force between a crankshaft and first and second driven shafts through first and second drive gears on the crankshaft side and first and second driven gears on the first and second driven shaft sides, wherein the first drive gear is fixedly installed on the crankshaft, the second drive gear is detachably engaged with the first drive gear so as to be overlapped with the engaged part of the first drive gear, the transmission of the rotational force between the crankshaft and the first driven shaft is performed directly between the first drive gear and the first driven gear, and the transmission of the rotational force between the crankshaft and the second driven shaft is performed through the second drive gear between the first drive gear and the second driven gear.