The Kawasaki FS481V-(G)S01-S is a 0.6 l (603 cc, 36.8 cu-in) V-twin 90Ā° air-cooled 4-stroke internal combustion small gasoline engine with vertical shaft. The FS481V has a 90 degree V-twin design with vertical PTO shaft, overhead V-valves, cast iron cylinder liners, spherical combustion chamber, rotating grass screen and integrated clean out ports. The engine is equipped with electronic spark ignition system, internally vented carburetor with fuel shut-off solenoid. The motor uses a high-performance lubrication system and dual-element air filter.