A used motor was found at a local parts house, and received a thorough "going over." The motor proved to be in great shape, and the only internal change was a mild porting job to the head. Everything from the 1000 motor, including the five-speed gearbox, was bolted to the YZF's cases. The only modification Necessary to mount the new motor in the frame was a replacement hanger That the new cylinder head bolted to the frame. This hanger is visible through the air duct in the side of the bike's fairing. Bolt-on performance parts include a set of Mikuni 41mm "Slingshot" carburetors, and a carbon fiber
