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it's time to inspect and likely replace the water pump components
Remove the water pump housing cover and carefully extract the old impeller from the pump housing
Reinstall the pump cover
It fits Standard
Thermostat (50°C) – Fits Suzuki Outboards 100-300 HP (Replaces 17670-90J21, 17670-90J20) family-yamaha-f15mshb it's time to inspect andThermostat (50C) Fits Suzuki Outboards 100 300 HP This thermostat is designed for a precise fit in a range of Suzuki 4 stroke outboard engines from 100 HP to 300 HP. It regulates the engine temperature by opening at 50C (122F) to ensure optimal performance and prevent overheating. It serves as a direct replacement for Suzuki OEM part numbers 17670 90J21 and 17670 90J20, providing a reliable aftermarket alternative. Engineered for direct fit
