motory

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1975 750 Sei - 750Sei - 011 - Phil Aynsley Photography
No 63 CLASSIC YAMAHA XS650 MOTORCYCLE ENGINE
No 63 CLASSIC YAMAHA XS650 MOTORCYCLE ENGINE | by Gordon Calder
1927 Ace 1229cc Four
The Ace Motor Corporation was an American motorcycle manufacturer that had a short life, but a profound impact on engine design – especially for the Indian Motorcycle Manufacturing Company who acquired Ace in 1927. Ace was started by William G. Henderson in 1919, he’d sold his first motorcycle company (Henderson) to Excelsior in 1917, and...