The Revolution Max is a V-twin motorcycle engine from Harley-Davidson.
It features double overhead camshafts and liquid cooling.
It debuted in the Pan America adventure bike in February 2021.
[1] Harley-Davidson has announced this engine will eventually come in sizes ranging from 500cc to 1250cc.
[4] A 975cc version of the engine was announced for an upcoming streetfighter motorcycle called the Bronx, but that bike has been put on hold and may be cancelled.