ATV 90cc carburetors 1): Outlet diameter of mixed chamber: 19mm 2): Installation size:2-6.5mm ATV 90cc carburetors1): Outlet diameter of mixed chamber: Φ19mm2): Installation size:2-Φ6.5mm 3)High performance with reasonable priceDetailed models are as below.DIO50,C50,TAC50,DIO50,CB125T,GY6-90,JH70,SY90,WIN100,GN5,CD100,H100S,MB100,HT100,GY6-150,S110,GY6-50,SY125,CG125.CT50,CT50X,YB50,V50,NF50, ...