Originally Posted by notproyet

I have a 2001bf that my son runs. Currently it has the stock carb on it, non replaceable venturi, aluminum body with a composite sleeve on the motor side. The other carb I have is a black composite carb (novarossi and a big R on it) has the replaceable venturi and has aluminum where it goes into the motor. Witch carb would be better? the motor has been modded also. Both carbs are 8mm. thanks