Engine-tuning expert A. Graham Bell steers you through the various modifications that can be made to coax maximum useable power output and mechanical reliability from your two-stroke. Fully revised with the latest information on all areas of engine operation, from air and fuel, through carburation, ignition, cylinders, porting, reed and rotary valves, and exhaust systems to cooling and lubrication, dyno tuning and gearing.

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.

High Performance Two-Stroke Engines analyses the technology of spark ignition two-stroke engines. The presentation is simple and comprehensive. The description of the operating cycle, the fluid dynamics, the lubrication and the cooling systems is followed by painstaking analysis of the mechanical organs, with the materials and the manufacturing processes employed to produce them. The book is completed by an overview of the history and evolution of these engines and by an examination of the principal types and the diverse fields in which they are employed. A section of the work is dedicated to an in-depth analysis of the ignition and combustion phases and the formation of the air-fuel mixture, with particular attention paid to the most recent injection systems.

In this well established book, now brought up to date in a second edition, the Technical Editor of `Performance Bikes' shows you how to evaluate your engine, how to assess what work you can undertake yourself, and what is best left to a specialist. The great attraction of the two-stroke is its enormous potential, contrasted with its appealing simplicity. Armed with little more than a set of files, you can make profound changes to the output power of a two-stroke. But these changes will increase the power only if you know what you are doing. `Motor Cycle Tuning (Two-stroke)' will therefore guide you through the necessary stages which can enable a stock roadster engine can be turned into a machine capable of winning open-class races, for an outlay which is positively low by racing standards. Very few other books on engine development and most of these are either devoted to car engines or are out of date Promoted by PERFORMANCE BIKES

Get Peak Performance from Two-Stroke Engines Do you spend more time trying to start your weed trimmer than you do enjoying your backyard? With this how-to guide, you can win the battle with the temperamental two-stroke engine. Written by long-time mechanic and bestselling author Paul Dempsey, Two-Stroke Engine Repair & Maintenance shows you how to fix the engines that power garden equipment, construction tools, portable pumps, mopeds, generators, trolling motors, and more. Detailed drawings, schematics, and photographs along with step-by-step instructions make it easy to get the job done quickly. Save time and money when you learn how to: Troubleshoot the engine to determine the source of the problem Repair magnetos and solid-state systems--both analog and digital ignition modules Adjust and repair float-type, diaphragm, and variable venturi carburetors Fabricate a crankcase pressure tester Fix rewind starters of all types Overhaul engines--replace crankshaft seals, main bearings, pistons, and rings Work with centrifugal clutches, V-belts, chains, and torque converters

This thorough how-to manual helps the off-road motorcycle enthusiast get the most out of their machine. This one-stop reference covers everything from basic maintenance to performance modifications, including: • Engine rebuilding• Transmission rebuilding• Clutch repair and rebuilding• Big-bore kits• Cam kits and valve timing and tuning• Tuning stock suspension• Suspension revalving and kits• Jetting and tuning carburetors• Tuning electronic fuel injection• Wheels, tires, and brakes• Chains and sprockets• Cooling systems • Electrical systems