From four-speed Evos to five-speed Buells, this book is the Bible for Sportster performance. Whether your intent is to improve the existing factory parts or install something from the aftermarket, author Kip Woodring explains not just which parts to buy,

Power and performance are the goals of the Harley-Davidson Sportster/Buell Engine Hop-Up Guide. This guide shows you how to get the most out of your Sporty engine, whether you ride on the street, strip or track. Learn how to make your little Harley GO with tips from the pros. From early model Sportsters to the latest Buells, this guide covers them all u both 883 and 1200cc engines. The book is chock full of quality photographs to help you get the job done right. Power and performance are the goals of the Harley-Davidson Sportster/Buell Engine Hop-Up Guide. This guide shows you how to get the most out of your Sporty engine, whether you ride on the street, strip or track. Learn how to make your little Harley GO with tips from the pros. From early model Sportsters to the latest Buells, this guide covers them all u both 883 and 1200cc engines. The book is chock full of quality photographs to help you get the job done right.

Put a veteran mechanic on your bookshelf. From simple 15-minute jobs such as lubing cables and bolting on new air cleaners to more advanced tasks such as cam changes and swapping heads, this how-to guide offers carefully selected projects you can do in a weekend. Color photographs guide you step-by-step through each performance project. Explains why each project should be done and what performance gains you can expect.

Keep a veteran mechanic at hand with this updated version of the best-selling manual for Harley-Davidson owners who want to hop up their machines. Created with the weekend mechanic in mind, this comprehensive, illustrated guide clearly and concisely outlines 101 projects that will improve the power, handling, and ride of Evolution-engined Harley-Davidson motorcycles. Drawing on years of hopping up and living with Evo-engined Big Twins and Sportsters, author and Harley-Davidson technician Kip Woodring provides step-by-step instructions for projects ranging from the basics of simple maintenance to the finer points of altering gearing, upgrading ignition, and making the changes that make a bike unique.

The book presents two, start-to-finish builds, one done on an Ironhead, and one on an Evo Sportster. From the initial disassembly to the mock up, paint and reassembly, all the steps are here, including engine work and hop-ups.

Harley-Davidson EVO, Hop-Up & Rebuild Manual, is a must-have for anyone who wants to put wrench to an EVO V-Twin. Each section covers a specific subassembly of an EVO motor. From a simple rebuild to a complete assembly from scratch, if you're a rider or shop owner looking to do more work on the EVO V-Twin, this is the book you need.

Donny is the Winner of the 2012 International Book Awards. Donny Petersen offers the real deal in performancing your Harley-Davidson Twin Cam. Graphics, pictures, and charts guide the reader on a sure-footed journey to a thorough H-D Twin Cam performance understanding. Petersen's insight makes technical issues understandable even for the novice. Donny simply explains what unfailingly works in performancing the Twin Cam. This is the second volume of Petersen's long-awaited Donny's Unauthorized Technical Guide to Harley Davidson 1936 to Present. This twelve-volume series by the dean of motorcycle technology examines the theory, design, and practical aspects of Twin Cam performance. Donny studied privately with Harley-Davidson engineers, having worked on Harleys for over 35 years. He founded Toronto's Heavy Duty Cycles in 1974, North America's premier motorcycle shop. Donny has ridden hundreds of performanced Shovels, Evos, and Twin Cams across four continents doing all of his own roadside repairs. He has acquired his practical knowledge the hard way. Donny has the privilege of sharing his performance secrets the easy way. Donny will walk you through detailed performancing procedures like headwork, turbo-supercharging, nitrous, big-inch Harleys and completing simple hop-up procedures like air breathers, exhausts, and ignition modifications. Donny Petersen feels honored to share the wealth of his motorcycle knowledge and technical expertise.