but they are typically replaced every 3-5 years or as needed
Remove the lower unit (gearcase) from the engine by unbolting it
Carefully slip the cover over the engine cowling from top to bottom
2019 6AW-13761-00-00 Yamaha VF225LA 225 4 2010–2016 6AW-13761-00-00 Yamaha F250 250 4 2010–2021 6AW-13761-00-00 Yamaha F250XB 250 4 2017
Refill the gearcase with the correct grade and amount of marine gear lube
Thermostat – Fits Suzuki Outboard DF 2.5-20 HP (Replaces 17670-91J00, 17670-91J01, 17670-91J02, Johnson/Evinrude 5033385) 200-350HP but they are typically replacedProduct Details This aftermarket Thermostat fits Suzuki Outboard DF 2. 5 20 HP engines, including 4 stroke models such as the DF2. 5 (2006), DF4, DF5, and DF6 (2002 and newer), as well as DF9. 9B, DF15A, and DF20A models (2013 and newer). It is also engineered for compatibility with specific Johnson Evinrude models that use part number 5033385. It serves as a direct replacement for Suzuki part numbers 17670 91J00, 17670 91J01, and 17670 91J02, along