Yamaha Outboard Thermostat

Yamaha Outboard Thermostat – Precise Engine Temperature Control

Keep your Yamaha outboard running at its optimal operating temperature with the Yamaha Outboard Thermostat. A properly functioning thermostat is critical for engine efficiency, fuel economy, and long-term reliability — and this OEM-quality replacement ensures your cooling system performs exactly as designed.

Key Features

• OEM Quality: Engineered to Yamaha's exact specifications for accurate temperature regulation.
• Two Model Options: Available for 25hp–70hp and 80hp–300hp engines — select the correct variant for your outboard.
• Prevents Overheating: Regulates coolant flow to maintain safe operating temperatures and protect engine components.
• Improves Fuel Efficiency: A correctly calibrated thermostat ensures the engine reaches operating temperature quickly, reducing fuel consumption.
• Durable Construction: Built to withstand the thermal cycling and corrosive marine environment.

A faulty thermostat can cause overheating, poor performance, and accelerated engine wear. Replace it with this reliable Yamaha thermostat and restore your engine's cooling system to factory performance.

Please select the correct model range (25hp–70hp or 80hp–300hp) to match your Yamaha outboard before ordering.