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1997 evinrude intruder 150 surging at wot

22225

New member
I have a 1997 150 intruder which runs ok. Lately when I am at wot it has a slight surge. I rebuilt carbs, replaced power pack, ran a new fuel line from tank to bulb, replaced plugs, replaced fuel filter, but still have this surge. It comes out of hole great. Starts good, idles good. Only gets 4600 rpms and 54 mph. When I first bought boat it ran 60 mph. It seems as it is not getting enough fuel on top end. Does not have that 2 stroke wind at top end. Any suggestions?
 
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