Joseph Crisan on X: "1975 Puch dirt bike on display at a fundraiser to create the International Motocross Museum. Harry Everts won the 1975 250 World Championship with this bike. #dirtbike #motocross #
GP motocross 500 cc to Lichtenvoorde 1975 Winner Gerrit Wolsink in action Date: 27 July 1975 Location: Gelderland, Lichtenvoorde Keywords: motocross, races Person name: Wolsink, Gerrit Stock Photo - Alamy
1975 American AMA Motocross Full Year Recap - Racer X