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    How to properly flush 1991 Merc 5.7/A1

    Should I start the water first and turn it off last? It takes few minutes to start the engine I'm afraid city water pressure would force the water in to cylinders? Any chance of that? Also where is the water coming out of on the outdrive?
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    1991 Merc 5.7/A1 - what kind of motor oil/filter?

    Hello guys, First oil change on 1991 Merc 5.7 with Alpha I, what kind of oil (grade, brand?) and filter should I use? Any good places to buy it from? How many quarts do I need? Going to be doing an oil change myself.. tips are appreciated.. :grin:
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    New boat - what to replace, change, check..

    Buying a new boat 1991 220 DA with 5.7 merc and Alpha I. What should I replace, change and check.. 1. - oil - filter - lower unit oil 2. - water pump? -lower unit seals? -outdrive bellows? 3. -dist. cap? -wires -plugs Good place to get manuals for 5.7 merc and alpha I outdrive? Thank you
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    1991 220 DA hull - cored or solid fg?

    Is the hull bottom of 1991 220 DA solid fiberglass or cored? Also what resin is used epoxy or polyester? What should I use for repairs? Thank you.
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    Broken underwater intake fitting..

    Hello, Nice to meet you all! :thumbsup: I'm thinking about buying this 91 220 DA, the boat looks fine - only problem is the owner installed (I think) A/C unit under the galley/sink, and a thru-hull, bronze, clam strainer type, with the intake (slots) facing the bow. This thru-hull seems to...
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