6D3-12411-00-00 Thermostat 140°F for Yamaha FZS 1800 2014-2016

Thermostat 140°F for Yamaha FZS 1800

This 140°F thermostat for Yamaha FZS 1800 replaces OEM part 6D3-12411-00-00 to regulate coolant flow and hold correct engine operating temperature.

Overview

This thermostat for Yamaha FZS 1800 controls coolant circulation to keep your engine at the proper operating range. Built to OEM 6D3-12411-00-00 specifications, it opens at 140°F to maintain stable temperatures during normal riding. It is a direct-fit replacement for riders servicing the cooling system on their FZS 1800.

Built For Performance

• Opens at 140°F to regulate coolant flow at the correct engine temperature
• Cross-references OEM part number 6D3-12411-00-00 for direct fitment
• Construction resists heat cycling and coolant exposure for long service life
• Seals to the housing for consistent temperature control
• Designed to match original thermostat specifications for Yamaha FZS 1800

Fits These Machines

• for Yamaha FZS 1800 2014
• for Yamaha FZS 1800 2015
• for Yamaha FZS 1800 2016

On-The-Job Use

• Routine cooling system maintenance and thermostat replacement
• Correcting engines that run cold or overheat due to a stuck thermostat
• Restoring proper warm-up and temperature regulation after coolant service

Specs At A Glance

Good To Know

Q: How do I know if my thermostat needs replacing? A: Common signs include slow warm-up, overheating, or erratic temperature readings. A thermostat stuck open or closed prevents the engine from holding its correct operating range.

Q: Does this thermostat match the original part? A: It cross-references OEM part 6D3-12411-00-00 and opens at 140°F, matching the original specification for the FZS 1800. Confirm your model and year before ordering.

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