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Yamaha 1994 saltwater seriess 150hp overheating

bean

New member
Overheating, The engine runs well but noticed the water exit spout is sporadic, sometimes clear and powerful and other times weak and almost dribbling out. The engine temp water buzzer came on when running at 4200rpm and went off when slowed down to idle. Is there an easy fix? I am new to boating so don't know a lot about outboards etc.
 
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