This fully revised and updated edition is one of the most comprehensive references available to engine tuners and race engine builders. Bell covers all areas of engine operation, from air and fuel, through carburation, ignition, cylinders, camshafts and valves, exhaust systems and drive trains, to cooling and lubrication. Filled with new material on electronic fuel injection and computerised engine management systems. Every aspect of an engine's operation is explained and analyzed.

The suspension expert’s illustrated, comprehensive troubleshooting guide for dirt, street, and supermoto—with a solution to virtually any problem. Suspension is probably the most misunderstood aspect of motorcycle performance. This book, by America’s premier suspension specialist, makes the art and science of suspension tuning accessible to professional and backyard motorcycle mechanics alike. Based on Paul Thede’s wildly popular Race Tech Suspension Seminars, this step-by-step guide shows anyone how to make their bike, or their kid’s, handle like a pro’s. Thede gives a clear account of the three forces of suspension that you must understand to make accurate assessments of your suspension’s condition. He outlines testing procedures that will help you gauge how well you’re improving your suspension, along with your riding. And, if you’re inclined to perfect your bike’s handling, he even explains the black art of chassis geometry. Finally, step-by-step photos of suspension disassembly and assembly help you rebuild your forks and shocks for optimum performance.

With the highly tuned state of the modern two-stroke dirt bike engine, correctly building a strong and reliable engine is becoming increasingly complicated. Unless you've been brought up in a world surrounded by engineers and engine building professionals, having the correct knowledge at your fingertips is nearly impossible. That's why we created this handbook for you. Brought to you by powertrain engineer, Paul Olesen, this book contains up-to-date professional knowledge and hands-on tips currently used in the industry. The Two Stroke Dirt Bike Engine Building Handbook is the most comprehensive guide for dirt bike engine building available, whether you are working at home or as a professional in a shop. The process of building two-strokes to race engine quality is explained in-depth in this thoroughly illustrated handbook.Containing over 250 full color pictures, 300 pages of step-by-step instruction, and detailed technical knowledge that can be applied to any make and model, The Two Stroke Dirt Bike Engine Building Handbook is a trusted guide for any expert or beginner.

Popular motorcycle journalist and author Mark Zimmerman brings a comfortable, conversational tone to his easy-to-understand explanations of how motorcycles work and how to maintain them and fix them when they don't. This practical tutorial covers all brands and styles of bikes, making it a perfect companion to the owner's service manual whether you need to use the step-by-step instructions for basic maintenance techniques to wrench on your bike yourself or just want to learn enough to become an informed customer at your local motorcycle service department. This book includes more than 500 color photos and a thorough index to make it an especially user-friendly reference for home motorcycle mechanics of all skill levels.

A workshop guide to the strip-down, rebuild, maintenance and repair of two-stroke motorcycle engines. Author Dave Boothroyd covers the principles and practice of two-stroke engine work, examining a wide range of marques and road, racing and trail motorcycles. With over 450 colour photographs, this new book covers: the chronological development of two-stroke engines and workshop procedures for each era; the examination of each major engine component in turn, including cylinder head, piston, piston rings, crankcase, flywheel, bearings, inlet manifold, clutch, gearbox and primary drive, and, finally, racing motorcycles and tuning engines for best performance; diagnosing problems and workshop safety. This practical reference guide is for the two-stroke motorcycle owner or restorer and is illustrated throughout with over 450 colour photographs.