Lockwasher for Clutch Nut $ 3.50 SKU: 90215-20212 Lock washer for clutch nut. Back to: Transmission and 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 Will suit all models from 1988 onwards.