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    RPM Concerns!!! Prop Issue maybe?

    Hey All hoping I can get some help here... Ran the boat for the first time this year with a new tach, replaced as was not working last year. My concern is the high RPM's I can get to without the hammer down...I'm at 4800rpm and doing about 28mph with still quite a bit of throttle left. Last...
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    RPM Concerns!!!!

    Hey All hoping I can get some help here... Ran the boat for the first time this year with a new tach, replaced as was not working last year. My concern is the high RPM's I can get to without the hammer down...I'm at 4800rpm and doing about 28mph with still quite a bit of throttle left. Last...
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    How to quieter Engine compartment

    Hey Guys, I have a Merc 3.0 I/O that I would like to quite down a bit, engine runs good but compartment has no noise insulation of any sorts. I researched some noise specific cancelling materials in the automotive area but pretty pricey....so I wanted to know if anyone has had success with...
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    Boiling GAS!

    Hello All, So I launched the boat today for the first time this year. FYI..had new plugs and a new fuel pump put in this spring. Anyways started easy and proceeded out of the bay and into the lake so i could open it up. Ran it at full open throttle for a about 15min. Everything seemed fine...
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    3.0l Merc, Alpha One drive, Engine revs back and forth on its own?

    Hello All, My boat has been running good for the last couple of weeks, however last time on the water i noticed when going to high speeds the motor revs back and forth on its own. Unfortunately the tach on my boat is not working right now so i dont know the rpm values. Also the engine is not...
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    3.0 mercruiser alignment?

    Hello All, This is my first post and i wish i had found this site prior to me taking on the task of replacing the belt on my engine. i just bought this 21' cuddy and had it on the water two times, the first time no problems seemed to be running great. The second outing a issue occurred, while...
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