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Always consult your owner's manual for detailed instructions and safety warnings specific to your engine model
Q: What's the difference between OEM and this aftermarket exhaust flapper
If it's stuck open
A: Thermostats should be inspected annually and typically replaced every 3-5 years or per your engine manufacturer's maintenance schedule
Thermostat Kit – Fits Mercury/Mariner 4-Stroke 8-40 HP Outboard Motors (Replaces 825212A1, 825212001, 855676003) family-yamaha-25msh3a Always consult your owner's manualThermostat Kit Fits Mercury Mariner 4 Stroke 8 40 HP Outboard Motors This thermostat kit is designed for Mercury and Mariner 4 stroke outboard engines ranging from 8 to 40 horsepower, manufactured between 1995 and 2018. It includes compatibility with various specific models such as the 30 HP (19992005), 40 HP (19982018), and 50 HP (19952000) engines. The kit directly replaces Mercury part numbers 825212A1, 825212001, 855676003, and more, ensuring a