factory compression

Kajun37

Petty Officer 1st Class
Joined
Feb 17, 2006
Messages
348
what was the factory compression on a 87' 125 force when it was brand new? i seen a head on ebay..the guy says it 160 psi on all 4 cyl's...i emailed him and said i thought that was a bit high and he replyed that factory compression was 175psi.....i think he's full of it..what do you think?
 

steelespike

Supreme Mariner
Joined
Apr 26, 2002
Messages
19,069
Re: factory compression

My after market repair manual indicates 145 to 165 at cranking speed.
 
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