ARCO Marine Johnson/Evinrude Outboard Starter - 9 Tooth (Early Model) [5370]Johnson Evinrude Outboard Starter 9 Tooth (Early Model) The outboard starter will fit BRP OMC 55 75 HP, 3 cyl, 9 tooth drive gear. ARCO advises using a fully charged battery A weak battery can damage the starter and starter solenoid. And to also clean all connections A corroded connection creates resistance, lowering the amperage required for an efficient starting circuit. Features: Dynamically tested and packaged for out of the box performance Nickel