Petersen's insight makes technical issues understandable even to the motorcycle novice. In easy-to-understand language, Donny examines what's right, what's wrong, what's "just okay" about the Twin Cam power train.

This is the first volume of Petersen's long-awaited "Donny's Unauthorized Technical Guide to Harley Davidson 1936-2008." This twelve-volume series by the dean of...

Petersen's insight makes technical issues understandable even to the motorcycle novice. In easy-to-understand language, Donny examines what's right, what's wrong, what's "just okay" about the Twin Cam power train.

This is the first volume of Petersen's long-awaited "Donny's Unauthorized Technical Guide to Harley Davidson 1936-2008." This twelve-volume series by the dean of...

Donny Petersen offers workable solutions for whatever ails your 1999-topresent Harley-Davidson. Graphics, pictures, and charts guide the reader on a sure-footed journey to a thorough understanding of the H-D Twin Cam.

Petersen's insight makes technical issues understandable-even for the motorcycle novice. In easy-to-understand language, he examines what's right, what's wrong, and what's "just okay" about the Twin Cam power train.

"Volume I: The Twin Cam" is the updated first volume of Petersen's long-awaited "Donny's Unauthorized Technical Guide to Harley-Davidson, 1936 to Present"...

Donny Petersen offers workable solutions for whatever ails your 1999-topresent Harley-Davidson. Graphics, pictures, and charts guide the reader on a sure-footed journey to a thorough understanding of the H-D Twin Cam.

Petersen's insight makes technical issues understandable-even for the motorcycle novice. In easy-to-understand language, he examines what's right, what's wrong, and what's "just okay" about the Twin Cam power train.

"Volume I: The Twin Cam" is the updated first volume of Petersen's long-awaited "Donny's Unauthorized Technical Guide to Harley-Davidson, 1936 to Present"...

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...

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 Shovelhead's teething problems;...