6D3-12411-00-00 Thermostat 140°F for Yamaha SX 210 1050 2017-2022

Thermostat for Yamaha SX 210 1050

This 140°F thermostat for Yamaha SX 210 1050 carries the OEM cross-reference 6D3-12411-00-00 to regulate coolant flow and keep the engine at its designed operating temperature.

Overview

This thermostat for Yamaha SX 210 1050 manages coolant circulation so the engine warms up correctly and holds a stable operating range. It matches OEM reference 6D3-12411-00-00 with a 140°F opening point, making it a direct replacement for the factory part. Suited to personal watercraft owners and marine techs performing cooling system service.

Built For Performance

• 140°F opening temperature matches the factory specification
• OEM cross-reference 6D3-12411-00-00 for direct fit
• Thermal element engineered for consistent opening and closing
• Housing seals coolant flow at the correct operating pressure
• Materials suited to marine cooling system service

Fits These Machines

• for Yamaha SX 210 1050, 2017 through 2022

On-The-Job Use

• Routine cooling system replacement on 1050 series engines
• Overheating diagnosis and repair on the water
• Seasonal maintenance before launch
• Restoring correct warm-up behavior after a failed thermostat

Specs At A Glance

Good To Know

Q: How do I confirm this thermostat is the right one for my boat? A: Check that your engine is the 1050 series in the 2017 to 2022 SX 210 range and match the OEM number to your original part. Serial number variations can affect fitment, so verify before ordering.

Q: What are the signs of a failing thermostat? A: Overheating, slow warm-up, or unstable engine temperature often point to a stuck thermostat. Replacing it with a correctly rated 140°F unit brings coolant regulation back to spec.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.