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Johnson 140 04 surgeing

H

haleyes

New member
"when over 3000 rpm engines sl

"when over 3000 rpm engines slows by 500 rpm then surges back to original rpm, fuel flow or fowled plugs??

Tim"
 
"could be numerous things...al

"could be numerous things...always look at the basics first.spark,comp,fuel delivery..WATER IN FUEL??....ck plugs...should be ql78yc gapped at .030...could be a float--needle sticking....methodically cking is the required procedure."
 
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