I'm working on a 200cc engine, and opened the points cap of the generator to find utter corrosion. I doubt that the points cam can be salvated, and the shaft is definitely seized due to rust. It looks great from the outside, though. I need to have this thing thoroughly rebuilt, or replaced. Who does this work so that I may send it out next week, or who has a generator for the 200cc engine in good fettle that is available for sale?