The Rupert Ratio Unit Single Engine Manual: Volume 1: The Engine BSA C15, B40, B25, B44, B50, Triumph TR25W

This is a new edition of the authors well known earlier work The Rupert Ratio Unit Single Engine Manual. This book is identical to the earlier edition but contains some 20 pages of additional information in total on cam profiles,vertical oil pumps,oil pressure, C15 and B40 flywheels, wide ratio gears, c15 and B40 distributor timing covers, and tuning tips for the C15 and B25. Armed with this book the owner will be able to dismantle and rebuild any unit single engine - and make them go better and more reliably than even BSA thought possible! Everything from tuning the carb to a complete engine rebuild is covered in detail with a wealth of illustrations to make the job easier. Tuning tips to enable the owner to improve the performance of the engine are covered and there are complete specifications and numerous tips for the restorer including how to ensure your bike never leaks oil - because they don't all do that sir!