Ducati Bevel Twins 1971 to 1986

Production of Ducati Bevel Twins spanned 15 years, and nowadays a restored bike with original parts will be worth about double the value of one with the wrong parts/detailing. There have been so many variations over the years that most people have no idea what is correct for a particular model. A would-be buyer''s first question is always "how authentic is the bike?", not whether it is beautifully...