6D3-12411-00-00 Thermostat 140°F for Yamaha FX SVHO 1800 2014-2026

Thermostat for Yamaha FX SVHO 1800

This thermostat, OEM cross-reference 6D3-12411-00-00, regulates engine coolant temperature at 140°F on Yamaha FX SVHO 1800 watercraft for the 2014 through 2026 model years.

Overview

This replacement thermostat for Yamaha FX SVHO 1800 keeps coolant flow in check so the engine reaches and holds its proper 140°F operating range. The 6D3-12411-00-00 cross-reference makes it easy to match against a worn factory unit. It suits owners performing routine cooling system service on their personal watercraft.

Built For Performance

• 140°F opening temperature matches the specified rating
• OEM cross-reference 6D3-12411-00-00 for straightforward matching
• Regulates coolant flow to maintain stable engine temperature
• Direct replacement for the stock thermostat position
• Built to withstand continuous marine cooling system cycles

Fits These Machines

• for Yamaha FX SVHO 1800, 2014-2026

On-The-Job Use

• Routine cooling system maintenance on personal watercraft
• Replacing a thermostat stuck open or closed
• Restoring proper warm-up and temperature control after overheating
• Seasonal service before launching the craft

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 on your craft. If the engine never reaches normal temperature or climbs too high, the thermostat is a likely cause.

Q: Does this thermostat fit any year in the listed range? A: It is listed for the Yamaha FX SVHO 1800 from 2014 through 2026. Confirm your specific model and serial number before ordering to be certain of fitment.

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