compression in an '83 140hp

fishfeatures

Senior Chief Petty Officer
Joined
Mar 29, 2011
Messages
743
hi,

Is 70 psi low for an johnson '83 140 hp.??..am looking at one but I'm think that the comp is too low and the motor needs an the rings done...
 

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: compression in an '83 140hp

Try a different compression gauge and see what you get. They vary in readings. Maybe all it needs is a good decarb.
 
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