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Computers and all the fine software have taken modifying and tuning two-strokes to a level higher that one could have imagined in 1973. Perhaps it will help you enjoy this copy and in closing I would like to thank Gordon Jennings for the fine material and all the effort he put into the original publication. I felt I had to share the background and history of the quest. I have to thank the anonymous creator of the file 2-stroke-guide_r2.zip. Although it is not an authentic reproduction it will be a proud addition to my library. I have proof read and edited this version and will print and bind a copy for myself. Previous searches had unearthed usable but poor quality. Happily, a search of the internet finally hit on a Word version of the manual.
#2 stroke tuning book manual#
I wanted a copy of this manual but wasnt willing to wait for a copy to show up on EBay. I recently acquired a 1980 Polaris TXL and am digging into the inner workings of the engine. The whereabouts of Wild Jim, his 750 Kawasaki drag bike and the only copy of Two Stoke Tuners Handbook that I have ever seen is a complete mystery. John kept his 500 until he retired and moved to the coast in 2005. John borrowed Jims copy of the Two Stoke Tuners Handbook and used it and tips from Fast by Gast to create one fast bike. He converted it into a drag bike, modified the engine completely and added mikuni carbs and tuned pipes. John and I worked for the same corporation and I found a 500 triple Kawasaki for him at a reasonable price. Lets journey back to 1973 and read the book that was the two stroke bible of that era.ĭecades have passed since I hung around with John and Jim. There is a wealth of knowledge contained in this manual.
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There is a huge interest in vintage snowmobiles and their simple two stroke power plants of yesteryear. Its 2007 and although there have been huge technological changes the basics are still the basics. It's the best $6.00 I ever spent.Many years have passed since Gordon Jennings first published this manual. It's out of print, but it's still a great book if you can find it. It's cheaper and much easier to get through than Blair's book.ĭon't forget the infamous Red Book "Two Stroke Tuner's Handbook" by the late great Gordon Jennings. Excellent pipe info even if it is somewhat dated. This is an excellent general purpose two-stroke book. Performance Tuning in Theory & Practice - A. Sean Hilbert was an R&D engineer at Ford and he now is the President of Cobra Minicycles. It's a great paper based on a KX125 which makes it much more useful and attractive than many research papers. Learn it and you'll smoke most guys who make their living butchering ports.įor a less expensive alternative check out SAE paper 910671 "Measurement of Flows During Scavenging in a Two-Stroke Engine" by H.Sean Hilbert and R.E. It's basically a college course in two-stroke engine design. This book is in the MUST HAVE category for any aspiring Two-Stroke tuner. Published by Society of Automotive Engineers (SAE) ISBN Number: 1-56091-685-0 Practical Gas Flow: Techniques for Low-Budget Performance Tuning by John Daltonĭesign and Simulation of Two-Stroke Engines - Gordon P. David Vizard has written a number of excellent books that can teach you a lot about four-stroke tuning. Is a good general purpose starting point on porting. Theory and Practice of Cylinder Head Modification by David Vizard If you don't feel comfortable spending hundreds of dollars on books, buy these two, study them and you'll see a whole new world open before your very eyes. These books helped drag me out of the "just another dumb-ass mechanic" club. This pair of volumes sell for about $63 and amount to an entry level college course in engine design, and function. The Internal-Combustion Engine in Theory and Practice : Vol 2 Combustion, Fuels, Materials, Design - Charles Fayette Taylor The Internal-Combustion Engine in Theory and Practice : Vol 1 Thermodynamics, Fluid Flow, Performance It's basically a college course in four-stroke engine design and serious tuning.
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This book is in the MUST HAVE category for any aspiring Four-Stroke tuner. Published by Society of Automotive Engineers (SAE) ISBN Number: 0-7680-0440-3 Date Published: August 1999 Design and Simulation of Four-Stroke Engines - Gordon P.