The FR691V FR730V Tune up Kit Air Filter Kit is designed for Kawasaki FR651V, FR730V, FS481V, and FS541V models. This air oil filter kit is compatible with Kawasaki FR651V, FR691V, and FS730V 4 stroke engines, providing a power source of gas. The black filter kit comes with everything needed to tune up and maintain your lawn mower, ensuring optimal performance and durability.