1984 honda trx 200 4 wheeler. Runs fine but tc rattles. Its adjustable, but does not seem to help. This is the same engine as a big red 3 wheeler.Anybody replace one of these? I do all of my own mechanical work, went to diesel mech. class at vo-tech, rebuilt several auto engines and quite a few tractor engines, so i am no stranger to busted knuckles,but never been inside of a wheeler engine. Anybody with some experience on this with a few tips?