Stud for Crankcase $ 3.95 SKU: 90116-08104 Cylinder stud for crankcase. Back to: Top End and Crankshaft ×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 Will fit all models from 2003 onwards. This is the crankcase exhaust side stud.