Gear Primary Drive $ 110.00 SKU: 3YL-16111-00U Used primary drive gear. Back to: Engine Parts (Bottom End) ×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 91 through to 99 models Standard 20 teeth. It is in very good condition.