Hello! I recently bought the sports exhaust from Stage6. (restricted) I also mounted it immediately. Only now I have the problem that the scooter no longer turns up (max to half) and thus it hardly or not at all comes from the spot. Max speed 30 kmh. Speed remains the same… I have the following Verbaut: 17.5er Dellorto, 4G Vario weights, Harder GDF and hard clutch springs. (each Varioweights tuning set 3.5-5G and clutch spring set (1000, 1500 and 2000) HD on the carburetor is standard 80 , got 90ger in it now What do I have to do? Please urgently for HELP! Roller ran with ori Pott about 70-80 kmh.. Thanks runner00