How and why MOTORCYCLE parts BREAK

CW Technical Editor Kevin Cameron digs into his shop to show us broken motorcycle parts and explain how and why these failures happened. From bearings to crankshafts to connecting rods and more, Kevin has cataloged and saved broken parts for decades to help him recognize and understand how parts break and what he can do to improved his builds--and how he explains them to us! Editor-in-Chief Mark Hoyer has broken a ton of parts, and even took his Yamaha RD350 engine to Kevin’s shop for diagnosis and a rebuild.

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