Rear Sprocket 34T (Yamaha) $ 55.00 SKU: 240-25434-00U God used 34T rear sprocket. 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 Yamaha used rear sprocket. ( 34T ) Suit TZ250 up to and including 2000 model. It has had some use but still good life left in it. Approximately 53mm pitch between mounting holes.