THE BASIC PRINCIPLES OF OUTBOARD MOTOR MAINTENANCE

picking the proper prop need to lead to your engine functioning inside the intended rpm range at vast open up Throttle (WOT). Your proprietor’s guide must incorporate this spec—commonly 5000–5500rpm for an outboard or 4200-5000rpm to get a sterndrive—or your mechanic or seller may well know. Stainless steel provides a efficiency gain above