Nut for Front Sprocket $ 10.00 SKU: 90179-20255 Front sprocket nut. 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 Front sprocket nut to suit TZ250 1988 onwards