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Ron Halem's '60 BSA Gold Star racer
Chart Key | |
Horsepower | |
Torque | |
CO% | |
As of '14 (at 100% throttle opening) | |
As delivered in '07 (at 100% throttle opening) |
Note: To put what Ron was able to accomplish in perspective, a strong high-flow head KTM 640 Adventure R with snorkel removed, race airbox lid & Leo Vince slip-on muffler installed, and proper jetting makes 44.9 hp. That's an engine that has a 125cc displacement advantage, liquid cooling, four valves, and is 47 years newer.
frame repair, reinforcement & bracing
exhaust head pipe fabrication
motorcycle
in action with Mark Parrett aboard
in action with Tony Foale aboard
in action with Kevin Murphy aboard