The Yamaha SR500 TT500 XT500 78-81 Carburetor Carb Repair Rebuild Jet Seal Kit is a comprehensive kit designed to repair and rebuild carburetor components on Yamaha motorcycles from 1978 to 1981. This kit includes high-quality sealants and jets to ensure a proper fit and reliable performance. With the manufacturer part number 41-4800, this product is a must-have for motorcycle enthusiasts looking to maintain or restore their vintage Yamaha bikes.