1A d new performance r CDI fits for most of GY6 50-250CC ATVs, scooters, moped, go-karts, such as for Honda XR50 XR 50 2000 2001 2002 2003 2This AC fired CDI will eliminate rev-limit which keeps your bike restricted, and also reset your ignition advance curve for better acceleration 3R coil will increase the spark, improve combustion and the overall electrical performance 4Made of high quality material, it is very durable and safe to use 5This unit will give you 5-10 miles speed boost on your bike and all you need to do just plug it onFeatures:A d new performance r CDI fits for most of GY6 50-250CC ATVs, scooters, moped, go-karts, such as for Honda XR50 XR 50 20002001 2002 2003. This AC fired CDI will eliminate rev-limit which keeps your bike restricted, and also reset your ignition advance curve for better acceleration. R coil will increase the spark, improve combustion and the overall electrical performance. Made of high quality material, it is very durable and safe to use. This unit will give you 5-10 miles speed boost on your bike and all you need to do just plug it on. Specifications:Material: Plastic, aluminium alloyColor: As picture shownType: AC IgnitionConnection Type: 2 pin + 4 pinSize: Approx. 70 * 35 * 29mm / 2.75 * 1.37 * 1.14inWeight: Approx. 149gPackage Included:1 * Wire CDINote:Some models may use different parts. Please check the pictures and specifications for details before you buy.