Why Merc 10HP warm engine needs choke to start ??

boater rick

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Jul 12, 2009
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4
New plugs, cleaned carb, and now will not start unless choked 2/3rds with fast idle. Then can turn down idle and idles not bad. Should air screw be 1 1/4 turns back from full position?

Anything else I can do??
 
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