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It is critically important to confirm your model and cylinder size before ordering
250G 250 2-Stroke 1990 & UP Yamaha 300 HP 300 2-Stroke 2004 & UP Yamaha F75 75 4-Stroke 2017 Yamaha F90 90 4-Stroke 2016–2018 Yamaha F100B
typically at the front top of the engine where the main coolant hose connects
Listen for unusual noises and verify smooth power steering operation
Water Pump Impeller Kit – Fits Yamaha 15/20 HP 4-Stroke Outboard Motors (Replaces 6AH-W0078-00-00) family-mercury-115hp It is critically important toWater Pump Impeller Kit Fits Yamaha 15 20 HP 4 Stroke Outboard Motors This water pump impeller service kit provides everything needed for a complete replacement on select Yamaha 15 HP and 20 HP 4 stroke outboard motors. It is designed to restore the performance and reliability of your engine's cooling system. This kit is a direct replacement for Yamaha part numbers 6AH W0078 00 00, 6AH W0078 01 00, 6AH W0078 02 00, and Sierra Marine 18 3479. It is