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What are the carb settings for a 1998 mercruiser 3.0 boat engine as far as idle rpm and air/fuel ratio?

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What are the carb settings for a 1998 mercruiser 3.0 boat engine as far as idle rpm and air/fuel ratio?

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  1. 650=750 it has a shift kill if shifts hard lower idle down> The idle air mix> s***w in till Rpm start to drop back out 1/4 turn same on both sides double check them> To the Rpm

    Same on quad & holley> Make sure timing is correct>

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