Premium Replacement Outboard Starter for Yamaha 150-300HP – 9 ToothReplacement outboard starter that will fit Yamaha 150HP, 175HP, 200HP, 225HP, 250HP, 300HP 4-Stroke.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 performanceNickel-coated and\/or epoxy-painted to reduce corrosion Sealed to minimize water intrusionDesigned for long life and optimum performanceArmatures are tested to withstand 50 times operating voltages (12 volts)Warranty Information:When properly installed, all ARCO products are warrantied against defects in materials and workmanship for a period of 12 months for leisure use and 90 days for commercial or racing applications. Add an extra year of warranty to your rotating electric ARCO product (Tilt\/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting arcomarine.com\/product-registrationReplaces:HITACHI Outboard Starter S114-952CYAMAHA Outboard Starter 6CB-81800-01-00YAMAHA Outboard Starter 6CB-81800-00-00YAMAHA Outboard Starter 6EM-81800-01-00YAMAHA Outboard Starter 6EM-81800-00-00SIERRA Outboard Starter 18-6961SIERRA Outboard Starter 18-6963This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.