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    Volvo penta dp-sm splitting outdrive questions

    There is a plate above the prop on my volvo dp sm drive that was cracked and missing a piece. It appears to be part of the Planing surface of the drive as well as part of the exhaust. Anyways, looks like I have to split the upper and lower sections to get one bolt out of that plate. Question...
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    8.1 gi-b misfire / backfire

    8.1l gi-b chapparal 26ssi 2002. I'm pulling my hair out here. Idle seems a bit rough, gets way worst with throttle advanced. Will pop / backfire. Compression all cylinders at or near 150psi. Replaced spark plugs. A few looked Carbon-ed up. Diacom power balance test shows 6 and 8 are not...
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    Outdrive or gimble bearing noise and overfill

    This is an odd one. I was in some rough water and flooded the boat pretty bad trying to get to land. Water up to the distributor in the engine bay. Engine was still running and we got it pumped out. Obviously water got into the gimble and bellows as the drive shaft was under water. Got on...
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    Mecruiser 5.0L MPI distibutor proper clocking?

    5.0L MPI Engine Serial OM618927. read a service bulletin on my issue of a miss fire at higher loads. It also stated to rotate the distibutor 1-2degrees if the issue persisted. I did this and the problem got so bad that at about 2500 RPM it misses so bad it sounds like the ECU is reducing...
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    Mercruiser J1939 database

    Anyone know if the Mercruiser MPI motors use the standard J1939 database and diagnostic messages? If they don't and use all proprietry messages, anyone have a database or a list of the main messages? Anyone know the baud rate? I'd like to hook up my CAN buss development tool to the boat and...
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    U-joint for a Alpha 1 Gen 2

    I'm trying to replace the U-joints on my Alpha 1 gen 2 drive. The serial number is OM464998. I believe I need part number 865496A02. These things are $130 a piece, for a non-zerk fitting simple U-joint for pete's sake. Can anyone confirm that this is the right part number? Does anyone have...
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    Distributor question 5.0L MPI

    So, I've been trying to track down a miss / hesitation coming out of the hole and while at WOT. I took the distibutor cap off and there was water dropplets in there as well as a ton of white corrosion on the center post, the cylinder posts, and the button. Is this normal? Also, the base of...
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    Can't identify motor year

    Hey all, I looked and searched for a site to decode the engine serial number to get the year, but all I get is the model number (4M4102LRS) The serial number is OM618927 on my mercruiser. It should be a 5.0L MPI 260 HP. I just can't figure out the year. (I'm having a miss fire at all RPMs...
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    Hesitation in 5.0L MPI

    2003 5.0L MPI in a 2003 Rinker RX1 boat. I have a hesitation that comes and goes under heavy load (like when coming out of the hole onto plane or at top end). Feels like a miss. I changed the fuel water seperator, and the plugs. Problem still exists. It comes and goes too. I hade the codes...
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