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    Mercury 9.8 110 air/fuel screw question

    Hey guys just a quick question. On my 1973/4 thunderbolt ignition 9.8 I am wondering how do I set the air/fuel screw. I tightened it in all the way then what should I back it off 1 turn? two turns? etc Thanks for the help serial no is 3737545
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    Please help with 1973 Mercury 9.8 110

    Just like the title says I would Please like some help with my 1973 Mercury 9.8 110 thunderbolt ignition I recently picked up. First off the motor has been sitting since 2000 Next I put in new plugs. Gave it some fresh gas (50:1) and gave it a try starting Short story is it started. Here comes...
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