Two-stroke Engines

 
Two-Stroke Engine Repair and Maintenance
by Paul Dempsey
Paperback from McGraw-Hill Professional

Two-Stroke Performance Tuning
by A. Bell
Hardcover from Haynes Publishing

The High-Performance Two-Stroke Engine
by John Dixon
Hardcover from Haynes Publishing

Restoring Motorcycles: 2 Stroke Engines
by Roy Bacon
Paperback from Osprey Publishing (UK)
 

Motorcycle Tuning : Two Stroke by John Robinson Paperback - 169 pages 2nd edition  Butterworth-Heinemann; ISBN: 075061806X

Two-stroke Tuner's Handbook
by Gordon Jennings
Paperback: 156 pages 
Publisher: HP Trade; illustrated edition edition (January 1, 1987) 
Language: English 
ISBN-10: 0912656417 

Two-Stroke Cycle Engine: It's Development, Operation and Design (Combustion)
by John B. Heywood
Hardcover from Taylor & Francis

The Scott Motorcycle: The Yowling Two-Stroke
by Jeff Clew
Hardcover from Haynes Publishing
Listed under Classic Motorcycles

Two-strokes: Webster's Timeline History, 1826 - 2007
by Icon Group International
Paperback from ICON Group International, Inc.

The Two-stroke Engine: Design and Tuning (Haynes owners handbook series)
by Kingsley George Draper
Paperback from Haynes Publishing

Outboard Engines: Maintenance, Troubleshooting, and Repair
by Edwin Sherman
Listed under Outboard Engines

Design and Simulation of Two-Stroke Engines (R161)
by Gordon P. Blair
Hardcover from Society of Automotive Engineers Inc
 

2-Stroke Glow Engines for R/C Aircraft
by C. David Gierke
Paperback from Air Age
Listed under Radio Controlled Aircraft

Two-Stroke Performance Tuning
by A. Graham Bell
Undoubtedly, the virtue which has most contributed to the widespread use and varied application of  the two-stroke engine is its mechanical simplicity. Tuning expert A. Graham Bell takes readers through the various modifications that can be made to a two-stroke and its components in order to derive maximum useable power and mechanical reliability. Both the latest advances in two-stroke tuning and old standbys are covered for all areas of operation, from ignition, carburetion, cylinders, and valves through exhaust systems and dyno tuning. Updates to this expanded edition include new photography, line diagrams and explanatory charts. Amazon.com
Hardcover - 272 pages 2nd edition 
Haynes Pubns; ISBN: 1859606199