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    2003 4.3L V6 2 barrel carburetor

    Does anyone know the size (CFM) of the Mercarb that would have come on this engine? S# is OM628593 if that helps.
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    2003 Mercruiser 4.3L carbureted fuel pump pressure.

    I have a 2003 Mercruiser 4.3L carbureted engine and am wondering what the pressure is off of the fuel pump. A discussion on different carburetors with some friends precipitated the question.
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    4.3 L V-6 Power Increase

    One of our boating friends has been having problems with his carburetor the past month or so. It is a 2002 in a Maxum. It has the original carburetor, and has been rebuilt a number of times. His mechanic told him he should just replace the carburetor, and he has a Rochester 4 barrel and...
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    Base Timing mode

    I need to check the timing on my 2003 4.3L and noticed a male ended black wire sitting unused next to the distributor. Is this there to use as a ground on the purple/white wire so the base mode will stay put? Otherwise, I guess a pig tail to a good ground is needed. Thought the open end might...
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    Hello, and question about timing

    First post, so hello to everyone. I have a 2003 Mercruiser 4.3L with carburetor. Each season I do all the fluid and filter changes, then do a test start with ears. Started fine, as usual. Got to the lake and the boat had good initial hole shot, but would not get above 3,000 rpm or 30 mph. It...
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