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    Merc 350 Mag/Rochester 4bbl carb choke sticking closed

    I have a 1988 Larson Senza V220 with a Mercruiser 350 magnum and alpha one outdrive. It is equipped with a Rochester R4/4MV 4-barrel carburator. I have narrowed down the problem to a sticking choke. When I take the air filter off and manually actuate the choke it opens fine and there is so...
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    Mercruiser 350 magnum gauge issues

    I just bought a 1988 Larson Senza V220 with a Mercruiser 350 Magnum (carburated) Engine, Alpha One outdrive and Thunderbolt Ignition System about a month ago. I am having some issues with the gauges. So far I know that the Temperature gauge is reading low, the tachometer doesn't go past 3,000...
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