Fits the following models: Float Bowl Gasket Only Closed Course Racing Only Yamaha PW50 81-20 Float Bowl Gasket Only Kits - An economical way to reseal a leaky carburetor. - Includes one gasket per kit. Multi carburetor bikes will require multiple kits. - Applications that use paper float bowl gaskets are upgraded to high performance interface gasket material. - NBR rubber is used for gaskets (NBR has excellent resistance to ethanol used in today's fuels.) Fits: Yamaha PW50 1981-2022 TTR110 2023