4 pin CDI for most 50cc, 70cc, 90cc, 110cc scooters and ATVs, including DY100 models. This DC fired CDI improves ignition performance and optimizes the ignition timing curve for enhanced acceleration. Constructed from high-quality metal and plastic materials for durability and safe operation. Designed as a direct replacement for older or damaged units; easy plug-and-play installation. Compact and reliable unit built to withstand regular use. Specifications: Condition: New, high quality Material: Metal, plastic Connection Type: 4 pin Color: As shown in picture Weight: Approx. 121g Package includes: 1 x CDI Box Note: Some models may have variations in fitment. Please review all pictures and specifications carefully before purchase. Please note that either the new or old version of this product may be shipped at random. Ensure you are comfortable with this before ordering.