MerCruiser Turn-Key Starting (TKS) Sterndrive Engines feature the patented, MerCruiser-exclusive TKS System, which offers fuel-injection convenience in a carbureted engine. No more choking, priming or pumping – just turn the key and go.

MerCruiser Multisport Injection (MPI) Sterndrive Engines are built to exceed your expectations with impressive technologies that give you instant peace of mind. The computer-controlled fuel and ignition system and platinum-tipped spark plugs ensure reliable starts and outstanding performance.