I've got a B1 Origami clone with a 50cc Loncin 4 stroke engine in it. It needs a new carb and while hunting for parts I found a 26mm that will fit it, along with the stock 19mm. I was wondering if anyone has uped their carb from a 19 to 26, and what effects it had. I figure a bigger carb means more fuel and air, so in turn more power, but I don't want it to be too rich and run like crap either. Any help is greatly appreciated.