Thread subject: Whaler Central - Boston Whaler Boat Information and Photos :: Mercury 90 on 2006 Montauk 170 - EFI or carbs?

Posted by blacksmithdog on 05/30/15 - 2:51 AM
#9

jaymoussy wrote:
blacksmithdog wrote:
That's the rig that I have. Great motor.


What compression numbers should I see, or, what figure would be alarming, in your experience?


I think the main thing to look for with regard to compression is that all the values are pretty similar, with no more than 10% difference.