Hello. I'm Nicos. I'm sorry about bad English. I from in Hungary. (I don't speak German )
So... I have a problem. My moped it doesn't go well.
There is a sports exhaust on it.
There is a nozzle in the carburattor. (95).
V-max 75 km / h. (i think is so bad)
8000 km, 2013, Derbi Senda Xtreme SM DRD.
Thanks for help! :)q