For CB400T CM400 CM450 CX500 CB550 CB650 CB750 CB900 CB1100F Carburetor Carb Float Bowl Drain Plug Screw This carburetor drain plug set includes four brass drain screws and four o-rings, designed for use with a variety of motorcycle models including CB400T, CM400, CM450, CX500, CB550, CB650, CB750, CB900, and CB1100F.Made from brass, the screws offer durability and resistance to corrosion, supporting long-term performance in demanding conditions.The o-rings a secure seal to prevent fuel leaks during.These components are essential for routine carburetor maintenance, allowing for easy drainage of fuel from the float bowl to prevent buildup and maintain function.The set simplifies the cleaning and tuning process, enabling efficient servicing without specialized tools.Designed for straightforward installation, the drain screws can be quickly replaced or removed as part of regular upkeep.Suitable for classic and modern motorcycles within the specified model range, this drain plug set is a practical addition for riders and mechanics focused on maintaining engine and carburetor efficiency.