“…lots of different motorcycle systems and the theories they’re based on, explained by a pro…” — American Iron magazine”…we can all use the detailed tricks of the trade that Mark shares in this book…” — RoadBike, June 2004″I received [the book and]…changed my final drive oil. Quite a trick for a non-wrench like me.” — Bruce Hansen, author of Motorcycle Journeys Through the Northwest”Required Reading…cover[s] everything you need to know…photos and illustration (more…)