Water Pump Impeller Kit – Fits Yamaha F30, F40, T25 4-Stroke Outboard (Replaces 66T-W0078-00) family-yamaha-25esr or a weak or non-existent

or a weak or non-existent water stream from the "tell-tale" cooling system outlet

aligning its keyway with the key

Lower unit gear oil should be changed at the same interval or more frequently if operating in saltwater or harsh conditions

Remove the propeller to inspect—a broken pin will be visibly damaged or missing

1 x Face Plate (Replaces 85083)

Water Pump Impeller Kit – Fits Yamaha F30, F40, T25 4-Stroke Outboard (Replaces 66T-W0078-00) family-yamaha-25esr or a weak or non-existentWater Pump Impeller Kit Fits Yamaha F30, F40, T25 4 Stroke Outboard (Replaces 66T W0078 00) This water pump impeller service kit provides a complete solution for replacing the water pump components on select Yamaha 4 stroke outboard engines. It is designed to fit T25, F30, and F40 horsepower models manufactured primarily between 2000 and 2008, with some models having extended compatibility. Please consult the engine compatibility list to verify your