Thermostat with Gasket – Fits Yamaha Outboard 25-250 HP (Replaces 6E5-12411-10, 688-12411-10) Place Order

Thermostat with Gasket – Fits Yamaha Outboard 25-250 HP (Replaces 6E5-12411-10, 688-12411-10)

This thermostat assembly is designed for a wide range of Yamaha 2-stroke and 4-stroke outboard engines. It ensures your engine maintains the correct operating temperature for optimal performance and longevity. It is compatible with various Yamaha models from 9.9 HP to 250 HP, covering years from 1984 through 2008 and beyond for specific models.

This component is a direct replacement for multiple Yamaha part numbers, including the 6E5 and 688 series. Please refer to the cross-reference table and engine compatibility list below to ensure a correct fit for your specific model.

• Engineered to OEM specifications with an opening temperature of 50°C (122°F).
• Manufactured from high-quality stainless steel and brass for durability and corrosion resistance.
• Complete kit includes the thermostat, a matching gasket, and two seals for a comprehensive installation.

Part Number Cross-Reference

This part directly replaces multiple Yamaha OEM part numbers. The most current part number is 6E5-12411-30-00. Refer to the table below for the supersession history.