Donny Petersen

Donny Petersen operated Heavy Duty Cycles in Toronto, Canada, for thirty-six years. Since 1992, he's written a monthly column, "Techline," for American Iron Magazine. Instructed privately by Harley-Davidson engineers, he taught mechanics, designed school curricula and written exams. He enjoys riding, mountain trekking, boxing, and diving.

Donny Petersen operated Heavy Duty Cycles in Toronto, Canada, for thirty-six years. Since 1992, he's written a monthly column, "Techline," for American Iron Magazine. Instructed privately by Harley-Davidson engineers, he taught mechanics, designed school curricula and written exams. He enjoys riding, mountain trekking, boxing, and diving. See less