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Yamaha 4 stroke
I have had a 9.9HP Yamaha 4 stroke on my 28 foot yacht for 3 years from new. Recently the cooling water stopped flowing and the agent says the cooling system was full of salt and sand. After every use I have flushed the motor with fresh water for at least 15 minutes and have never to my knowledge chewed up a sand bank.
I was wondering if anyone else had had problems with Yamaha cooling systems.
Ozsail
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