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Project Yamaha quads

YAMAHA YFZ450 WITH 200 HORSEPOWER!

YAMAHA YFZ450 WITH 200 HORSEPOWER! Upon further review that’s not a single-cylinder engine. It’s got 4 exhaust pipes and 4 intake tracks, so there’s no way it can be a YFZ450 engine. Maybe we should read what James Masephol said about his quad in his Email to us. Well, it did indeed start out as […]