Hello, you really need your help. I bought the days for my son, who will soon be 15, a 2012 speedfight 3, water cooled, with just 2600km, to 25kmh. On the test trip more immediately fell on that the scooter had no power at all and I barely got away from the spot, the salesman meant this is the throttle ring because he was throttled to 25 and thus the performance is missing. I said no, the performance has to be there, just not so fast. He also meant that the scooter had been standing for 5 months, I thought of a dirty forget, yes and I can clean it. Priced agreed and now he has been standing with me for a few days. I completely disassembled the carburettor and the lf, externally full with fine sand, also the lf, totally dirty. I checked the cold start automatic and worked perfectly. Previously everything was built together, 5 times emptied and the scooter ran again…….in the gas give unfortunately still zero lei I thought, maybe the scooter didn’t have any compression because almost or no oil was in the tank???? we then removed the throttle ring, yes what should I say? The scooter had power and accelerated it to 50 (must brake), but I think there must be more at the acceleration. Back to the throttle ring. Is that really normal that the throttle swallows so much power? That would be really dangerous then, people, I don’t come from the spot with the throttle ring. did I come in, what do you think, is it possible to mix it up? If yes, how do I do it? Someone else idea what it can be? I had read the exhaust, too. Lost weights, if something like that goes on? No idea anymore, because, your help is asked 🙂