I need a Sachs 505 or 504 complete. The bike had a 505 2 speed on it and the transmission is dead and bearings are pressed. I’m not looking at a rebuild just a new working motor. Also need exhaust either stock or HP the kind on most Sachs that slide on and are tightened on. The air box can be in any condition as long as its complete but it doesnt have to have the filter.