Going crazy with this motor need help

Hambone1983

Cadet
Joined
Aug 5, 2023
Messages
24
I have a 1995 mercury 115 2 storke the old 2+2's it sounds great out of water and just muffs but it won't plane out and I have replaced all filters,lines fuel pump,stator and had carburetors rebuild timing check and cables adjusted it's goes up to 3000 rpm' at full wot trying to plane out I have got it to plane out 2 times but then trying to give it more Throttle it starts spitting and sputtering ???
 

Dave1027

Lieutenant Junior Grade
Joined
May 25, 2010
Messages
1,077
Have somebody drive while you squeeze the primer bulb when trying to accelerate. If that has an impact look closely at the fuel pump. You state you replaced the fuel pump. Normally people install a rebuild kit that's gaskets and diaphragms.
 
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