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.

Old ads, memorabilia, dealer signs and 80 color photographs pay tribute to H-D's popular Shovelhead models. Introduced in 1966, the Shovelhead engine powered big twins until 1985.

In this second part of his fifth volume on Harley-Davidsons motorcycles, Donny Petersen, who studied privately with Harley-Davidson engineers, shares practical knowledge and streetwise tips on the Shovelhead motorcycle. Donny presents what Harley-Davidson has to say through the myriad of service bulletins back in the day in everyday language. He also uses his extensive practical experience to constructively critique the official line, offers additional hard-earned information, and then shares what he does to his own bikes. He provides solutions to fix the Shovelheads teething problems; Harleys responses to ongoing problematic aspects of vibration, as well as the aftermarkets cures; tips on working with the Shovelheads carburetors and five ignitions; starter and charging systems, electrical switches, circuit breakers, and relays; and best practices for lubrication, as well as the progression of front forks and shocks, brakes, wheels, and tires. Written in straightforward language, this guide offers step-by-step instructions to help all levels of enthusiasts, from novices to expert mechanics. In his usual forthright manner, Donny makes technical issues understandable, interspersing explanations with entertaining stories about the lifestyle that comes with being a Harley rider.

Clymer motorcycle repair manuals can save you money on maintenance and repair bills. Step-by-step procedures and detailed illustrations guide you through every job, from maintenance and troubleshooting, all the way to complete teardown and rebuild. • General information • Troubleshooting • Tune-up and routine maintenance • Engines • Clutch • Transmission and gearshift mechanisms • Fuel injection system, emissions controls and exhaust systems • Electrical system • Cooling system • Front suspension and steering • Rear suspension and final drive • Brakes • Frame, body and frame repainting • Supplements • Wiring Diagrams

Complete coverage for your 1970 thru 1999 Harley-Davidson Shovelhead and Evolution Big Twins: --Routine Maintenance and servicing --Tune-up procedures --Engine, clutch and transmission repair --Cooling system --Fuel and exhaust --Ignition and electrical systems --Brakes, wheels and tires --Steering, suspension and final drive --Frame and bodywork --Wiring diagrams --Reference Section

Shovelhead Redemption is a memoir from a woman who's been described as "fiercely independent." But she wasn't always that way. Abby begins life in the typical alcoholic family and vows to become a biker chick as soon as she can get her hands on her own motorcycle. The misguided journey she takes to find love, happiness and a Harley-Davidson leads her into a world of drug dealers, strip clubs and outlaw bikers. This revealing story is an inspirational tale that takes the reader on the trip of a lifetime. (parental discretion advised)