I have a 1980 express 2 w/ a big bore kit & bi-turbo exhaust ( high mounted ) i installed a colder stage plug. #81 main jet, same set-up as this guys ( http://expresslymopeds.50megs.com/70cc.html ) My issue is starts up , idles perfectly but it wont accelerate ( massive surging ) cant get it to go ... any help on carburator set-up, type of jet i should be using, or even an aftermarket carb company would help ....
Posted on Sep 6, 2006, 6:16 PM from IP address 68.9.229.77