1. 4-pin CDI for most 50cc, 70cc, 90cc, 110cc Scooter ATV DY1002. This DC-powered CDI eliminates the rev-limit that restricts your bike and also resets your ignition advance curve for better acceleration3. Made of high-quality material, it is very durable and safe to use4. With this unit, you can increase the speed of your bike by 5 to 10 miles and all you have to do is plug it in5. A great replacement for the old or broken one Specification: Features: 4-pin CDI for most 50cc, 70cc, 90cc, 110cc Scooter ATV DY100. This DC-powered CDI eliminates the speed limit that restricts your bike and also brings your ignition advance curve back for better acceleration. Made of high-quality material, it is very durable and safe to use. With this unit, you can increase the speed of your bike by 5 to 10 miles, all you have to do is plug it in. A great replacement for the old or broken one. Specifications: Condition: Brand new and high quality Material: Metal, Plastic Connection Type: 4-pin Color: As shown Weight approx. 121g Package includes: 1*CDI box Note: Some models may use different parts. Please check the pictures and specifications for details before purchasing. Please note that the new type and old type of this product will be sent randomly. Before ordering, please make sure you don't mind.