Go-karts; frames for go-karts; electric and gasoline engines for go-karts; propulsion and transmission mechanisms for go-karts; power trains for go-karts, consisting of clutch, drive shaft and differential; sprockets and transmission belts for go-karts; torque converters for go-karts; gear shifters for go-karts; shaft couplings for go-karts; transmission shafts for go-karts; axles for go-karts; axle spindle for go-karts; rear and front wheel hubs for go-karts; structural exhaust nozzles for g...