I have BF75S1702894 looking for cam rockers springs & thermostate and related gaskets,upper cams worn out, nephews got debrie in it, ran it a little warm still starts idles & good compession, runs on low speed as it speeds up chocks out . I have a manual from helminic.com. dealers have discotinued parts if you can suggest or that might have a outboard with thos parts that are good tks KenCod