飞轮是离合器的主要部件。

The flywheel is a major part of the clutch.

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磁电机是摩托车上的关键部件，为摩托车电气和点火系统提供电源，同时磁电机转子直接与摩托车曲轴相连而起着飞轮平衡作用。

Magneto is the key component of motorcycle and supplies the power for ignition system, also act as flywheel by connecting with the crankshaft of motorcycle.

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传动系由飞轮背面到车轮之间的部件组成。

The drive train consists of the parts from the back of the flywheel to the wheels .

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