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Mend Yamaha Water Pump Engine

how can I get more cooling water to pump through my yamaha 9.9?

the 1999 yamaha 9.9 engine used to have a steady stream of cooling water coming out of the engine, now its only a dribble. What has happened, what do I do now?

phelps mcilvaine
July 2008
YamahaBoats, PowerboatsWater Pump Engine
Get an impeller replacement kit and replace the impeller and ware plate.

Captain Mark
July 2008
check pump impeller for corrosion.flush cooling system.

caine
July 2008

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Yamaha 9.9 Cooling Issue - Water Flow Fix