Thermostat – Fits Yamaha 2-Stroke Outboard 75-250 HP (Replaces 6E5-12411-30-00, 688-12411 Series) 3.3HP and 50 HP (1995–2000) models

and 50 HP (1995–2000) models

turning the driveshaft clockwise to help seat the impeller vanes correctly

) 40 2-Stroke 1978–1983 47-89983 Serial Range: Various by country of manufacture Mercury/Mariner/Force 40 (4-Cyl

Check for any fuel leaks before and after starting the engine

Please check the "Engine & Model Compatibility" list

Thermostat – Fits Yamaha 2-Stroke Outboard 75-250 HP (Replaces 6E5-12411-30-00, 688-12411 Series) 3.3HP and 50 HP (1995–2000) modelsProduct Details This replacement Thermostat Fits Yamaha 2 Stroke Outboard 75 250 HP (Replaces 6E5 12411 30 00, 688 12411 Series) is engineered for a wide range of Yamaha 2 stroke outboard engines from 1991 to 2005, including LZ, SX, VX, VZ, and Z series models. It ensures your engine maintains the correct operating temperature for optimal performance and fuel efficiency. It serves as a direct cross reference for Yamaha part numbers 6E5 12411 30 00,