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    Mercruiser Alpha1 Gen1 Exhaust

    Guys, I haven't had the pleasure of taking apart a Gimbal Housing/Transom Plate assembly yet. Can someone explain why the exhaust on my raw water cooled 1986 5.0 passes through the Gimbal Housing into the exhaust bellows to exit through the prop, but before it enters the bellows, it also has a...
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    5.0 230 Mercruiser Manifold and Riser Flushing

    Hi folks, I have a 1986 Sea Ray with a 5.0 liter 230 HP Mercruiser/Alpha 1/ raw water cooled. It has the 1st design type thermostat housing- 1 hose to each exhaust manifold, and one to each riser. If I were to remove the hoses from the thermostat housing, open the drains and put a garden hose...
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    Prop suggestion?

    Guys, I have a 1986 SeaRay 24' CC with a 5.0L and an Alpha 1 outdrive. I had a 15X18 3 blade aluminum prop on it when I bought it, and it ran about 4200RPM at about 30 knots. The boat should rev to 4800 at WOT, so I bought a aluminum 3 blade, and dropped the pitch to 15.25X15 (which is actually...
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    Adjusting Trim Limit Switch

    Guys, I have a 1986 Mercruiser Alpha 1 Sterndrive I'm trying to adjust the trim limit switch on. It was working perfectly until I struck a submerged object. Prior to this, the trim went up until the red line as indicated on the trim gauge, further then that the Trailer button was needed and...
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    Mercruiser Engine Mounts

    I am in the process of getting ready to yank my 1986 Mercruiser 5.7/Alpha 1 out of my own boat this weekend (to replace an oil pan with a rust hole). What is the purpose of the fiber washer and double sprung lock washer under the rear mounts? Should they be replaced or reused? Also, I'm having a...
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    Bottom paint

    Hi Folks, I have a 1986 Sea Ray Weekender 230 that I bought last fall. It had a substantial buildup of dark blue bottom paint- about 5 thick layers- that was in bad shape. So I had it all soda blasted off. The boat looks great now- the hull below the waterline is all perfectly white and I'm...
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