For race use only. Not admitted in the area of the German StVZO!Product descriptionThe TFI was designed and developed to provide an affordable solution to increasing the ??fun factor?? or ridability of your scooter. With today??s pollution regulations, many if not all of today??s scooters are setup extremely lean to meet these regulations. Unfortunately they are not always the best setup for performance or ridability. Therefore, adjusting the air fuel ration on these machines is essential to achieve optimum performance and ridability. Ease of use The unit is a simple plug and play unit with is already pre programmed and set-up ready to go! The TFI is not an interceptor and it does not alter factory air/fuel computer tales or pulse-width calculations. It taps into the injector-driver circuitry of a stock scooter’s EFI and selectively appends extra pulse-width voltage keeping injector’s open the exact incremental time required for precise fuel enrichment. The scooter’s on-board computer and