Moin, My scooter drove very slowly already when I bought it (max 30km/h also when we removed all throttle, after which I drove about 2km with half-closed choke (have forgotten it when kicking) and I noticed that it gets even slower (because of the choke) I opened the choke completely and the scooter drove once its 50km/h. After that I cleaned the carburettor, but there was nothing clogged it was even very clean, air filters are clean gasoline and oil filter was After 2 weeks of standstill, the scooter drives max 40km/h and takes a little bit of time 2-3sec when starting it is still faster than the first time. What could this be? The carburetor is clean as well as the nozzles, clean filters are also mounted. Mfg Ramazan