<p><b>34mm fit on 250cc to 350cc engine</b></p> <p> </p> <p> </p> <p> </p> <p><b>34mm Size</b></p> <p> </p> <p> </p> <p> </p> <p>    Intake manifold Inner Diameter: 34mm</p> <p> </p> <p> </p> <p> </p> <p>    Intake manifold Outer Diameter: 40mm</p> <p> </p> <p> </p> <p> </p> <p>    Air filter side Inner Diameter: 51mm</p> <p> </p> <p> </p> <p> </p> <p>    Air filter side Outer Diameter: 55mm</p> <p> </p> <p> </p> <p> </p> <p><b>Method of Choosing: </b> </p> <p> </p> <p> </p> <p> </p> <p></p> <p> </p> <p> </p> <p> </p> <p>    When order , you can check your original carb , buy same or +/- 50cc size , will be save gasoline and qulick racing run.</p> <p> </p> <p> </p> <p> </p> <p>    If you have any problems, please contact us in time.</p> <p> </p> <p> </p> <p> </p> <p><b>This Carburetor Model Point：</b></p> <p> </p> <p> </p> <p> </p> <p></p> <p> </p> <p> </p> <p> </p> <p>    Universal modify</p> <p> </p> <p> </p> <p> </p> <p>    Quickly speed up</p> <p> </p> <p> </p> <p> </p> <p>    Save fuel</p> <p> </p> <p> </p> <p> </p> <p>    Best sale service</p> <p> </p> <p> </p> <p> </p> <p><b>Kinds of type carburetor:</b></p> <p> </p> <p> </p> <p> </p> <p>    These parts Fit for ATV,Quad,Pit bike,Dirt bike,Go Kart,Buggy.For ATV and Quad,fit for Loncin , Yamaha , Linhai , Honda , Zongshen , Buyan , Polaris , Bashan , Hsun , Shineray ,  Jinling , kazuma , Lifan , Taotao , chinese , gsmoon etc .</p>