"50-mile Engines": TOURING Bikes Turned Into RACE WINNERS!--BMW's Impossible 1970s AMA Superbikes.
The amazing journey by Butler & Smith BMW to build championship-winning superbikes out of BMW flat-twin touring bikes in the 1970s. First 750cc, then 900cc, we look at how BMW won the 1976 AMA Superbike Championship. Editor-in-Chief Mark Hoyer joins Technical Editor Kevin Cameron, who recalls his time with builders Udo Gietl and Todd Schuster to explain the amazing transformation of these motorcycles into the remarkable high-performance machines they became. Unbelievable detail here, folks.
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Read more from Cycle World: https://www.cycleworld.com/
Buy Cycle World Merch: https://teespring.com/stores/cycleworld