(Follow on to boat bottom paint thread)
Same boat I am looking at buying, has a 90HP Mercury four stroke (2006?) - motor runs smooth until it gets up around full throttle. Then it starts to “surge”… loses power, surges, then loses it again… Happens around 4000 rpm+ range. Pumping the priming bulb seems to help a LITTLE - not much. There is an aftermarket fuel-water separator in the fuel line that I suspect may have some contributing factor.
Thoughts?
I AM taking it to a Merc repair guy near me for a goin’ over…
2002 Duracraft 1548 - Mercury 25 2-stroke - and a paddle