Engine revs up externally high when I let off of brake
I am working on a friends bike and I replaced his drive belt. Variator and put a new carburetor on it. I’m new to working on scooters. I got the new carb hooked up and I can start the bike and it seems to idle near normal levels. However, when I let off of the brake, the bike starts revving really high and the rear wheel starts spinning really fast. If I had to guess I’d say it goes to around 3000-5000rpm (no tac on this bike). Since I’m new to this I took pictures of my work so far from multiple angles. I haven’t removed the old air box in case we end up having to put the old carb back on. I also confirmed that the belt was attached properly with the previous carb and test drove it.
Is this a good question?