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Yamaha YZF R1 Magneti Marelli ECU System

The Magneti Marelli Marvel 4 ECU system has many of its control boxes attached to the back of the airbox. Note the tiny Marelli generator unit (as well as airflow cooling ducting) mounted inside the stock cavity where the stock alternator used to reside.

Yamaha YZF-R1 World Superbike Championship Racebikes - End Of A Line

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