X-PRO Fuel Diaphragm Fuel Gas Petcock Valve Switch Pump for GY6 150cc Scooters ATVs Go Karts 150 CC Moped Quad 4 Wheeler Dune Buggy Sandrail 150c Roketa Jonway Taotao SunL Coolster Please identify X-PRO?. NO. 1 China Motorcycle Parts Brand, Better Done OEM.Fuel Diaphragm. Top Quality Guaranteed. Fuel Diaphragm for most Chinese GY6 150cc Scooters, ATVs and Go Karts Precise machining size and oil control Dependable performance with competitive price; Positive customer feedback from domestic market