Yamaha - Thermostat Assembly (7NF5) - YF1-55317-30-12

Overview

The Yamaha YF1-55317-30-12 Thermostat Assembly (7NF5) is a genuine original equipment manufacturer component designed to regulate engine temperature by controlling coolant flow within the cooling system. The thermostat opens and closes based on engine temperature, allowing coolant to circulate when needed to maintain proper operating conditions.

Maintaining a stable engine temperature is critical for efficient performance and long term engine durability. A properly functioning thermostat helps prevent overheating while also allowing the engine to reach its optimal operating temperature. Over time, thermostats can wear, stick, or fail due to heat, corrosion, or debris. Replacing a worn thermostat assembly with a genuine Yamaha component helps restore proper cooling system operation and supports reliable engine performance.

Key Features

• Genuine Yamaha Original Equipment Manufacturer Component – Manufactured to Yamaha factory specifications for proper fit and dependable operation.

• Temperature Regulation – Helps maintain proper engine operating temperature by controlling coolant flow.

• Supports Cooling System Efficiency – Promotes consistent temperature management during engine operation.

• Durable Construction – Built to withstand heat, pressure, and demanding operating environments.

Compatibility

Compatible with select Yamaha engines and equipment that utilize this thermostat assembly.

Why is this prop a strong choice vs. alternatives?

• Original Equipment Manufacturer Yamaha Fitment – Designed specifically for Yamaha cooling systems.

• Maintains Stable Engine Temperature – Helps regulate coolant flow for proper engine operation.

• Restores Cooling System Reliability – Ideal replacement for worn or malfunctioning thermostats.

• Built for Long Term Durability – Engineered to perform in demanding engine environments.

Frequently Asked Questions

Q: What does a thermostat assembly do?
A: A thermostat assembly regulates engine temperature by controlling when coolant flows through the cooling system.

Q: What happens if a thermostat fails?
A: A failed thermostat can cause overheating or prevent the engine from reaching its proper operating temperature.

Q: Is this a genuine Yamaha part?
A: Yes. The YF1-55317-30-12 is a genuine Yamaha original equipment manufacturer thermostat assembly.

Q: When should a thermostat be replaced?
A: Replacement may be necessary if the engine overheats, runs too cool, or if the thermostat sticks or fails to operate properly.

Q: Is installation difficult?
A: Installation can typically be completed by experienced technicians or mechanically inclined owners, though professional installation may be recommended.