Features: 4 pin CDI for most of most 70cc 90cc 100cc 110cc 125cc Scooter ATV DY100. This DC fired CDI will eliminate rev-limit which keeps your bike restricted, and also reset your ignition advance curve for better acceleration. 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. A good replacement for the old or broken one. Specifications: Condition: new and high quality Material: Metal, plastic Connection Type: 4 pin Color: As picture shown Weight: Approx. 121g Delivery Quantity: 1pcs Note: Some models may use different parts. Please check the pictures and specifications for details before you buy. TH