Sold Out Gear Primary Driven (5F7) $ 135.00 SKU: 5F7-16151-00U Primary driven gear to suit 1981 - 1989 models. Notify Me Back to: Transmission & Driveline ×Close Yamaha Yamaha is a leader in businesses ranging from musical instruments and audio & video products to information technology products, new media services, home furnishings, auto components, specialty metals, music education and resort facilities. http://www.global.yamaha.com/ Description Suit 81 through to 89 models Standard 49 teeth. In very good condition.