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    Manifold and Risers Replacement

    New to boating! 1988 Mercruiser 2.5 with Alpha 1 outdrive. I am presently replacing a manifold with a hole in it. Are the Manifold and Riser a normal maintenance/replacement item every 4 or 5 years? I've also replaced all the bellows and rubber transom items. What else should I be looking...
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    Water on #4 spark plug

    I have an 88 Mercruiser 4 cyl. 2.5 (chevy I am told) with an Alpha 1 outdrive in my 88 22' Starcraft Islander. My first boat. I have had problems with a miss in cylinder #4. I changed the plugs and initally the engine ran great, no miss, however after a few days the miss is back and it caused...
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    Battery Switch

    I recently purchased a 88 Starcraft Islander with a single battery setup. I want to add a second battery with a "perko" type battery switch. I have read somewhere that you cannot switch batteries with the engine running without damaging the alternator, unless, you have a "make before break"...
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