6D3-12411-00-00 Thermostat 140°F for Yamaha Jet Blaster Pro 3-Up 1050

Thermostat for Yamaha Jet Blaster Pro 3-Up 1050

This replacement thermostat for Yamaha regulates coolant flow on the Jet Blaster Pro 3-Up 1050 and carries the OEM cross-reference 6D3-12411-00-00 with a 140°F rating.

Overview

This thermostat for Yamaha is a temperature-controlled valve that manages coolant circulation through the engine. The 140°F opening point keeps the Jet Blaster Pro 3-Up 1050 running at a stable temperature on the water. It is aimed at owners and techs servicing the 2025 to 2026 model who need a reliable replacement thermostat.

Built For Performance

• 140°F opening temperature matches the original specification
• OEM cross-reference 6D3-12411-00-00 for easy verification
• Wax-pellet element responds to coolant temperature changes
• Sealing surfaces finished for a clean, leak-free install
• Built to handle repeated heat cycles in marine use

Fits These Machines

• for Yamaha Jet Blaster Pro 3-Up 1050, 2025-2026

On-The-Job Use

• Cooling system service and thermostat replacement
• Correcting engines that run cold or overheat from a failed thermostat
• Coolant flush and refill on the Jet Blaster Pro 3-Up 1050
• Pre-season maintenance before hitting the water

Specs At A Glance

Good To Know

Q: What are signs of a bad thermostat? A: An engine that runs too cold, overheats, or warms up slowly can point to a stuck thermostat. Replacing it restores normal temperature control.

Q: Is a new gasket needed when installing? A: It is good practice to replace the gasket or seal at the same time. Check the listing contents to see what is included.

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