Information: This is a liquid cooled model. All parts on it were stock, except for top case (givi) and side stand. I never had any problems with it. Maximum indicated speed on flat road was 90km/h (about 75 km/h according to speed trap), average fuel consumption 4,5l/100km. I ownd it from new and when I sold it, it had 15.500 km. Superb 50cc scooter!