High performance, meets or exceeds OEM standards, 100% tested before shippingCarburetor FITS ETON RXL90 RXL 90 E-TON 90cc Viper ATV Quad 2 Stroke CarbIntake Inner Diameter: 19mm; Intake Outer Diameter: 24mm; Air Filter Inner Diameter: 32mm; Air filter Outer Diameter: 38mm.Features: 1)Good at mixing fuel and air; 2) Keep engine running smoothly; 3)Prevent engine from lack of oil or oil spilling when working; 4) Avoid wasting of oil, to some extent; 5)High class quality and very durable,Good Working Condition and Easy to Install; 6) Low cost, Competitive price; 7) Low emission,enviromental friendly.Give your machine the new power and torque it really deserves, and have more fun with the power at your finger tips.Product Description Performance Carburetor FITS ETON RXL90 RXL 90 E-TON 90cc Viper ATV Quad 2 Stroke Carb Intake Inner Diameter: 19mm; Intake Outer Diameter: 24mm; Air Filter Inner Diameter: 32mm; Air filter Outer Diameter: 38mm.