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mercury out board carburetor jets

bgilman

New member
Hello I just bought a pontoon boat from elevation of 5400' I am now at just 100' elevation.
I have a 1999 mercury 25 hp EL Not big foot.
Can someone help me with what jets I will need to change and a typical jet size for a low elevation.
Also never rejetted a boat carb but have jetted a harley carb.
Will I need to pull carb off to get to the jets? Thanks in advance Bgilman
 
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