HELP 83 evenrude 90 hp

boyd22

Recruit
Joined
Feb 7, 2012
Messages
4
Boat has no power.We took in to a mech & had carbs rebuilt.He put on new coals and put in water & still no power.
On land runs great,idals great but not under a load.Has good compresion.Mach told us seams internal could be seal ring on crank shaft for #1 cylinder causing that cyl to have lack of fuel at full throtle.Could the seal ring cause this problem?
 
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