Improving Classic Motorcycle Engines

How to stop oil leaks including areas not catered for on early machines like gear and kickstart shafts. Top condition gaskets and seals are a must but won’t last long if the crankcase breather is malfunctioning. Why timed breathers are better than untimed, how to measure and adjust the timing, one-way and reed valves. Why you should check your valve timing and not rely on marks on camwheels. How to check and set it accurately. Valve lift graphs showing quietening ramps, how sports and touring cams vary. Methods to reduce vibration and lessen its effects. The baffles in many pattern silencers are just a guess at what might work and harm performance and cause vibration. I have developed and tested theories about exhaust systems and turned this into guidelines for silencers that work. Plus the effects of balance pipes and anti-reversion devices. Before crank balancing or pulling the engine apart - read this book! Sample pages, videos and reviews at ImprovingClassicMotorcycles.com