borz, thats the big guy, 65cc. it has a factory power kit which consists of a ported cyl, special head, 16s dellorto carb-vstack and a factory expansion chamber. You should hear it, it sounds "MEAN"
I really like the looks of this bike and if you don't mind I'd like to copy the exhaust. I've got a guy that can make me an exhaust chamber for my sears and harley 50cc bikes. Can you take some measurements of your Motobi exhaust?
We'd need to know the dimensions of the front cone, the OD and length of the straight section, and the dimensions of the rear cone, and the length and OD of the stinger section.
A forum community dedicated to Cafe Racer style race bikes owners and enthusiasts. Come join the discussion about restoration, performance, racing, classifieds, troubleshooting, maintenance, and more!