carburetor for ATV, float style, for rascal ixl 40 & viper jr rxl & Viper 40e models and some older Cobra & The Rock & Chuweng Raser scooters Eton Rascal 40 & Viper Jr 40 2019 NEW style carburetor. New design with fuel supply shut off valve And spring loaded quick drain bowl valve. **** The carb intake side I.D. measures .630 inches and we include a shim sleeve which has wall measuring .020 so the sleeve reduces the intake down to .590 inches +/- This is because not all inlet tubes are the same. Rest assured either size inlet tube, we have it covered. ***Factory carb screw on top may be used for install. ***we offer the factory throttle cable for e-ton 40cc atvs sold seperately *** NOW included & highly reccomend is a separate #77 JET for this Carburetor as the one that comes in it is small. The bowl would need to be removed for installation of your #77 jet.