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THE TWO STROKE DIRT BIKE ENGINE BUILDING HANDBOOK 

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 300 full color pictures, 280+ 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.

CHAPTERS INCLUDE:

  • When To Rebuild - a detailed list of the ways to diagnose whether your two-stroke is due for a full rebuild, to help you understand the warning signs and symptoms your bike may be exhibiting.
  • Tests To Help Determine Engine Health - a comprehensive guide that takes you through how to perform a leak down test, compression test, and crankcase leak down test complete with full color pictures and detailed instructions.
  • Leading Causes Of Premature Engine Failure - a complete chapter dedicated to the factors that can cause an engine to fail prematurely and how to avoid them. 
  • What Should Be Replaced - a detailed guide on what components will be replaced when doing a full rebuild on a two-stroke dirt bike engine. 
  • What Tools Do I Need - an in-depth overview on all the necessary tools to correctly teardown, inspect, and rebuild a two-stroke dirt bike engine.
  • Precision Measurement Tools And How To Use Them - teaches you how to take accurate and repeatable measurements when building an engine. Covers the top ten precision measurement tools as well as how to read, calibrate, and use them during a build.
  • Workshop Environment - a full guide to creating a healthy and sustainable workshop environment when engine building.
  • Race Engine Build Considerations - a complete outline of the most common race/performance engine modifications detailing how performance parts affect power and reliability. Complete with tips on how to select performance parts based on your personal riding needs and what will yield the biggest gains for your money.
  • Full Teardown - a complete overview on correct teardown procedures for any two-stroke make and model. Includes how to remove the engine from the frame, tips and tricks for keeping track of all hardware and parts, how to properly remove components from the engine as to not damage gasket surfaces, important measurement and inspection points, how to correctly remove the flywheel and piston, and how to properly split the crankcases.
  • Complete Inspection, Replacement, And Assembly Of Sub Assembly Components - a step-by-step thorough investigation of how to identify problematic wear patterns on old parts to help pinpoint causes of engine problems or failures. Also covered is how to correctly build up subassemblies including such components as the crankcases, transmission, crankshaft, cylinder, power valves, kickstart, and clutch. In addition, procedures on how to improve or repair your engine components are covered. Examples include how to true crankshafts, hone cylinders, and repair damaged crankcases.
  • Reassembly - detailed instruction on how to correctly reassemble the engine and install it back into the frame. Race engine building techniques are also covered in detail and include checking port timing, squish, and compression ratio.
  • Engine Break In - covers the how and why behind breaking in a newly built engine and provides step-by-step instructions.
Author, Paul Olesen, holding The Two Stroke Dirt bike Engine Building Handbook

Frequently Asked Questions

Is there be an eBook version available?
Yes! You can even buy both as a bundle.  The eBook version is available as a downloadable PDF. We recommend reading it on a tablet or computer.

 How big is the print book?
The print book is 8.5" x 11" and nearly an inch thick. It weights 2.2lbs. It is a hefty book filled full of engine building knowledge.

How much is shipping going to cost?
Anywhere in the United States: $6.75
Canada: $31.50
United Kingdom: $37
Europe: $37
Australia: $42
New Zealand: $42
South Africa: $48
Latvia: $48

Why does shipping cost so much?
It is a huge book! The book itself weighs 2.2lbs plus another 0.3lbs for the box and packing materials and we are nearly at 3lbs. To be completely honest, this is the most affordable shipping available via USPS for international orders if you want your book to arrive in a timely manner.

How will my book arrive?
Your book will arrive shrink wrapped in a 12" x 9" x 4 3/4" box. We have experimented with padded envelopes and other options and the test shipments have been damaged using these methods.  So far, a box has been the only way to ensure you book does not arrive rolled up into a mailbox that is too small, or with damaged edges.
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I'd like to place a bulk order (5+ books), can I get a discount on shipping? 
Please contact me at paul.olesen@diymotofix.com if you'd like to place a bulk order. That way I can work with you directly and get you a fair shipping price.

Can I order both the Four Stroke and Two Stroke Handbook and have them shipped together?
Yes  you absolutely can. We offer a Bundle of the Two and Four Stroke Handbooks in print, as well as a Mega Bundle of both the print and eBook versions of the Two Stroke and Four Stroke Handbooks. Click here to check those options out.

MEET THE AUTHOR
Paul Olesen is Wisconsin native who has always had motorcycles on his mind. From tearing apart his first bike at the age of 18, his curiosity around engine design has guided his entire career. 

During his years in the UK attending the University of Wales, Paul not only received his degree in motorcycle engineering, but he also designed and built his own racing motorcycle from the ground up. He spent his summers stateside, where he interned as a design engineer for S&S Cycle. While there, he built the fairing for their Bonneville racing bike and worked on the 2012 racing team.

It was through this education and exploration that Paul honed his engineering knowledge, which launched him head first after graduation into a powertrain position at Erik Buell Racing. After spending just over a year there, Paul realized his time was better spent educating the everyday rider through DIY Moto Fix. In doing so, he is bent on keeping the world of motor sports alive and well.
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Currently, Paul holds a position as the Principal Development Engineer at DeltaHawk Engines, where he is designing and developing a two stroke diesel engine for aviation. ​

THE TWO STROKE DIRT BIKE ENGINE BUILDING HANDBOOK VALUE PACK

Order both the print and digital versions of the book at a fraction of the cost of purchasing both separate. Have an awesome reference by your side on your workbench and enjoy the pdf version when your project takes you to your electronic device.

THE TWO STROKE DIRT BIKE ENGINE BUILDING HANDBOOK (PRINT BOOK)

Order the print book, an 8.5" x 11",  2.2lb book full of engine building knowledge. Full color pictures, thick pages, and high quality construction designed to withstand heavy shop use.  Did we mention it is nearly an inch thick?

THE TWO STROKE DIRT BIKE ENGINE BUILDING HANDBOOK (EBOOK)

280+ pages of engine building knowledge navigable by the click of a mouse. Search keywords, navigate using the clickable table of contents, and enjoy the book right on your computer, tablet, or mobile device.

WANT TO CHECK OUT OUR OTHER DIRT BIKE BOOKS? CLICK HERE!