Yamaha Thermostat 66M-12411-01-00 F2.5-F50/F80/F100

Yamaha thermostat. Designed specifically for Yamaha outboard motors, this thermostat ensures precise temperature regulation to protect your engine from overheating or running too cold.

OEM Quality – Manufactured by Yamaha for a perfect fit and reliable performance

Temperature Control – Helps your engine reach and maintain ideal operating temperature

Improves Efficiency – Enhances fuel efficiency and prolongs engine life

Marine-Grade Durability – Built to withstand harsh saltwater and freshwater conditions

A properly functioning thermostat is essential for peak engine operation. Replace yours with an original Yamaha part you can trust.