Fits for 20mm PZ20 carburetor carb with hand choke lever.<br> Fits for 50cc 70cc 90cc 110cc Kids ATVs,Go Karts,dirt bike,scooter moped.<br> Fits for 50cc 70cc 90cc 110cc 125cc Coolster NST BMS JCL SSR Pister PRO Lifan SDG<br> Fits for most 50cc 70cc 90cc 110cc 125cc 135cc Chinese ATVs,go karts with 4 stroke engine.<br> Fits for most Chinese brand,like TaoTao,SUNL,Buyang,Coolsports,AIM-EX,Roketa,Kazuma,Roketa,Fusion,BMX,JCL,Loncin,Yamoto,Baja,Kinroad,Wildfire etc.