New Inline fuel petcockPort inner diameter: 0.1 inPort outer diameter: 0.23 inIt fits most 50cc 70cc 90cc 110cc 125cc 150cc Chinese scooter, mopeds, ATVs, dirt bikes and go karts. It fits most Chinese brands and some Japanese brands, like TaoTao, Buyang, Coolsport, Lifan Kazuma, SUNL, Honda,...