\\ Jamestown Distributors TV: How to How to Replace a Water Pump. This video is on how to replace the water pump on a 2005 Yamaha 25 hp 4-stroke outboard . In this video i replace a water pump on a Yamaha 50hp 2 stroke. For more how to videos, visit . If you own an . These outboards are huge! But dont let their size fool ya, they are easy to replace an impeller on. Ill show ya how. Have a goodun D-Ray.
