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3.3 runs on 1/2 choke

B

Baydelette

New member
Question: new old motor 1998 Mercury 3.3 runs fine with ½ choke, I cleaned carb, but the gas cap diaphragm is all cracked up, why does this style of motor have a cap with a rubber diaphragm?
Any ides on the ½ choke issue?, have not had a chance to put bad on water since cleaning carb.
 
Having to run with 1/2 choke points directly at a fuel delivery problem.------Look for dirt in the carburetior jets, blockage of fuel going into the carburetor or adjustment problems.
 
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