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    Yamaha 150hp vs mercury 115hp optimax

    Hi all, Just a question I have a 6.2 metre fibreglass boat that currently has a yamaha 2-stroke 1990 150hp v6 (600 hours). I have picked up a spare motor which is a mercury 2-stroke 2006 115hp optimax (150 hours). Thinking of installing the mercury and getting rid of the yamaha. What are...
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    Yamaha 90hp becoming hard to start

    Hi all, I recently purchased a boat with a 1989 yamaha 90hp on it. Initially it had a faulty low oil sender unit and the engine alarm would go off and limit my revs. I had that fixed and it ran fine for a while. I noticed over a month or two the engine is getting harder and harder to start when...
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