The Kawasaki 92055-7025 is a genuine OEM replacement O-ring designed for the air filter cover nut assembly on Kawasaki 4-stroke engines. Key Details & Compatibility Function: Provides a dust-tight seal around the air filter cover nut to prevent unfiltered air, dirt, and debris from entering the engine. Engine Compatibility: Fits various Kawasaki FS-series models, including FS481V, FS541V, FS600V, FS651V, FS691V, and FS730V. Material: Precision-molded, heat- and oil-resistant rubber compound.