Mercury/Mariner Outboard Starter - 8 ToothThe outboard starter will fit Mercury/Mariner, 100-125 HP Inline 4-cyl; 80 HP Jet, 8-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-coated and epoxy-painted to reduce corrosion Sealed to minimize water intrusion Designed for long life and optimum performance Armatures 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:MERCURY 50-66015-TMERCURY 50-66015-1MERCURY 50-66015-3MERCURY 50-893892TThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Quick Guid https://productimageserver.com/literature/quickGuide/97196QG.pdf Videos https://www.youtube.com/embed/4zSJdR5GM3ghttps://www.youtube.com/embed/H_7AgzLuyBc Brand: ARCO MarineUPC: 693006001036Harmonization Code: 8409.91.6000Model Number: 5392Weight: 7.4 Length: 12 Height: 4 Width: 5