1988 Mercury 60hp throttle issue

1986bassbuggy$@

Petty Officer 3rd Class
Joined
Mar 21, 2012
Messages
89
I just bought a used 1988 merc 60 horse that runs like a champ but while under load in the lake it boggs at 2300- 2500 RPM first of all what is the WOT RPM for this motor? and I used seafoam and got an additional 500 RPM out of it but still boggs how can i tell if it is sucking air somewhere?
 
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