Yamaha - Thermostat - 677-12411-00-00 Mercury-250HP-3-4L-V6-2021 The innovative replaceable atomizing head

The innovative replaceable atomizing head allows for increased productivity and reduction in coating consumption

Whether you’re running a compact diesel engine on a sailboat

Touch-up pen matches the original Mercury Phantom Black finish

Yamaha Lower Unit Assy - 6JX-45300-00-8D is an essential component designed to optimize the performance and reliability of your Yamaha outboard engine

Yamaha - Thermostat - 677-12411-00-00 Mercury-250HP-3-4L-V6-2021 The innovative replaceable atomizing headYamaha Thermostat Cooling System Component 677 12411 00 00 Overview The thermostat is one of those small parts that makes a big difference in how your engine runs. It controls when water flows through the engine, helping it warm up properly and stay at the right temperature. Ive seen engines run too cold or overheat just because the thermostat was stuck open or closed. When its working right, the engine holds a steady temp and runs efficiently. Key