This OBD2 16-pin to OBD1 6-pin, 4-pin, and 3-pin plug adapter is designed for use with certain later European motorcycles like Moto Guzzi, Piaggio, Vespa, and others. It allows for accurate diagnosis of specific problems and stable data transmission. With wide compatibility across models from Yamaha, Moto Guzzi, Piaggio, Vespa, Honda, and KTM, this adapter offers convenience by combining three functions into one product. It's plug-and-play for easy use and can sustain over 100,000 uses. This adapter streamlines diagnostic work, making it more convenient with a single purchase. Honda 6Pin: For 2017-1019 Suzuki models onwardsFor 2020+Honda's models onwardsFor 2020+Yamaha models onwardsFor 2021 Husqvarna 701 models onwardsFor 2021 MT09 models onwardsFor 2021 Kawasaki models onwardsFor 2021 Ducati models onwards