This incredible 102 page book written originally in 1994 by David Simon, This is an excellent book that will help you understand the complex functions of all two-stroke motors. It offers valuable information on two-cycle engine design, performance modifications, exhaust design, carburetion and ignition guidelines & simple mathematical formulas for compression ratios, crankcase volume, etc. Even though this book is older and does not cover the newer watercraft, the knowledge is applicable to any 2 stroke motor. Some of the best "Two-stroke" books were written as much as 40 years ago.
