Thermostat – Fits Yamaha 2-Stroke Outboards 3-250 HP (Replaces Yamaha 6E5-12411-02-00, Sierra 18-3540) 485HP use a measuring tape and

use a measuring tape and a straight edge (like a ruler) to create a light pencil or masking tape guideline on the hull before application

Position the new gasket correctly onto the cleaned surface

ensuring the flow arrow points in the correct direction (towards the engine)

5L V6/V8 is designed for OMC Cobra and Volvo Penta sterndrive engines with V6 and V8 configurations ranging from 3

Thermostat – Fits Yamaha 2-Stroke Outboards 3-250 HP (Replaces Yamaha 6E5-12411-02-00, Sierra 18-3540) 485HP use a measuring tape andProduct Details This replacement Thermostat Fits Yamaha 2 Stroke Outboards 3 250 HP is engineered to regulate engine temperature for optimal performance on a wide range of Yamaha outboards from 19842009. It ensures your engine operates within its designed temperature range, preventing overheating and improving fuel efficiency. It serves as a direct replacement for numerous Yamaha, Sierra, and Parsun part numbers, including the common 6E5 12411 02 00