Golly Tarheel! It could be any number of things... You need to narrow it down to either lectric or fuel. Does it smoke when it deceides to go bad on you? If black smoke when it is stumbeling then the carb may be going south.. If it refuses to gain rpm it could be lectric.
First thing is to check the plugs and wires to make sure it isn't just in need of a tune.
Big JIm <img src="/forums/images/graemlins/pfft.gif" alt="" />

professional bovine relocation specialist