The POLINI A/F Detector is an essential tool for optimizing the performance of your scooter. Designed to measure air/fuel ratio, it offers a reference value of 14.7, ensuring efficient engine operation. This meter is compatible with air-cooled scooters, with a ratio of 12.5/13, and with water-cooled scooters, with a ratio of 13/13.5. The device is equipped with a backlit LCD display that allows easy reading of real-time values. It is powered by a CR 2032 battery and can be connected directly to the motorcycle's 12V electrical network. Its installation is simple, thanks to the included connection cables, and it comes with a cap for the sensor and adapter cables for different scooter series, such as for Yamaha, for Suzuki and for Kymco. With a display range ranging from 12.2 to 17.2 and a di.