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    Cooling Sleeve in 1989 MCM 5.7 stuck

    While winterizing the engine, I took the plate off of the thermostat to see that it was frozen closed. Took the housing home and finally got the old thermostat out. Since it is pretty cruddy in there, in addition to the gaskets and thermostat on order, I ordered a new sleeve. Now, how do I...
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    Merc 260 Idle change after going into Neutral

    On my 1989 260 I/O I have started having a strange Idle issue. Start up, idles at 670, in gear 600-625, but after the engine warms up, when I go into neural, my RPM after the idle killer engages and releases goes up to 800-800. Back into gear, it's fine till I go to Neutral again, same high...
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    Alpha 1 Shift Problem and Neutral Lock?

    I have a 1989 Alpha 1 with a 5.7 Merc. I have several problems going on here, all related to shifting. I have attached three photo's showing neutral, Idle and finally open throttle. i also have this on video working. 1. The shifter itself, 90-4200091A Works smoothly except, to engage...
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    MerCruiser Alpha I generation II shifting "issues"

    I have a 1989 Cobalt with a 350 (5.7) on an Alpha 1 unit. Boat has 200 hours, not kidding. When I had I/O's in the past, they were always VP so I am not as familiar with the characters of MC, but it define toy has a dog clutch. Engine and boat run great, but they are two things I noticed that...
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    Roller Trailer is killing me!

    I needed to but a new trailer for my 20' bow rider. I have always had bunk trailers, but I went with a roller trailer this time because of being able to launch in low water. It's a load rite elite, tandem axle. The day I picked it up, it was 106, and no one, including myself wanted to mess...
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