1. Part Number: Manufactured to strict original specifications, the reference OE number of the Ignitor CDI Box is 5VM 85540 00 00. 2. Applicable Model: Fit for YFS200S ATV 2004; Fit for YFS200T ATV 2005; Fit for YFS200R ATV 2003. 3. Function: CDI igniter can shorten the secondary voltage generation time of the ignition coil, making the ignition system more suitable for high-speed engines. 4. Direct replacement: This CDI ignition module is designed to match the fit and function of the original CDI module on specified vehicles. 5. Long durability: Made of quality ABS material, with long service life and stable performance, it is the best choice for your ATV spare parts. Specification: Item Type: Igniter CDI Box Material: ABS OE: 5VM 85540 00 00 Compatibility: Fit for YFS200S ATV 2004 Fit for YFS200T ATV 2005 Fit for YFS200R ATV 2003 Package List: 1 x Igniter CDI Box Note : 1. Please check the part number of your item, the relevant information is for reference only. 2. If you are not sure about the item, please contact us before purchasing to avoid unnecessary returns, thank you!