Special 4-stroke variator for Piaggio, Vespa, Malagutti and Italjet models. Perfectly tuned for 4-stroke engines. Excellent Malossi quality that is reflected in the price. Supplied with counterpressure spring, variator sleeve, 1x set of weights (16x13/8g) and a variator stop for approx. 30mph, as well as a sticker set. This means quieter shifting and lower slip. Original drive belt can be retained. Suitable for Suzuki models from 1999 on and Aprilia Mojito and Habana from 1999 on.