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    Water Pump Service - Alignment Pins?

    I'm getting ready to do change the water pump impeller on my Alpha 1 Gen2 drive. I've found a lot of good info on this board and have reviewed some videos on the procedure. It looks straight forward enough. Parts are on order. The one thing that is not clear is how important the alignment...
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    Remote Gear Lube Tank

    Merc 4.3 Alpha Gen II Engine Serial # OW626893 Drive Serial # OW845544 I'm going to be pulling my outdrive this weekend for regular maintenance (first time for me). It has the square remote gear lube tank. I will be draining the gear lube first. I assume that draining from the lower unit...
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    Tstat Housnig Configuration

    Mercruiser 4.3 Alpha S/N OW626893 So when I was winterizing, I noticed some discrepancies between the parts lookup diagrams and my engine. I was hoping you guys could help me clear it up. Three pics attached. Standard cooling system and thermostat and housing are directly from the parts...
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    LH or RH

    I was winterizing my boat and took the flame arrestor off to clean it. I've always assumed that my prop was right handed - no valid reason for that assumption, I just made it. On the flame arrestor cover, it includes key details about my engine and drive and one of the details is that it's a...
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    Winterization Questions

    So, I bought my boat in the spring and this is the first boat I've owned. It is a Merc 4.3 carbed with and Alpha 1 GenII sterndrive. Although I'm generally inclinded to do most basic maintenance myself, I was a little nervous about winterizing because I didn't want to make mistake. A local...
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    Help finding correct service manual?

    I have a 2006 Sea Ray 185 with a Mercruiser 4.3. The engine serial number is DW626893. It is the carbed 190HP version. I would like to purchase a service manual, but I'm not exactly sure what I'm looking for. Is there a part number or version number specifically for this engine/outdrive or...
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    What is this?

    Long time lurker, but don't know enough to contribute on most topics. I bought a Sweetwater pontoon this spring and have used it all year. It has a 2000 Mercury Bigfoot 60 2 stroke - oil injected engine on it. It has generally run fine except that it wants to stall at idle when in gear. I...
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