ARCO Marine Original Equipment Quality Replacement Yamaha Outboard Starter - 2008-Up [3450]Original Equipment Quality Replacement Yamaha Outboard Starter 2008 Up Replacement outboard starter that will fit 25HP 40HP 2009 2022. 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