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    1988 90hp Merc - is alternator working properly?

    How can I determine if the alternator on my 1998 90h Merc is working correctly? I don't have enough history with my battery to know if it's being charged properly & wanted to test the alternator itself.
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    How do I reset the idle screw after reassembling the carbs?

    1988 90hp 3 cylinder Merc. <br />Anyone have experience resetting the idle screw after reassembling the carbs? What steps do I take & how do I know when it's set properly?
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    90hp merc starts but won't restart

    I have a 1988 90hp 3 cyl Merc & it has been running great for many years up until the last 2 outings. It starts & runs fine, after fishing for 20 minutes I go to restart & it won't take. Battery is fine, cranks well, seems like it's not getting fuel & yet it does on initial startup.Absolutely no...
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