1991 Evinrude 150 Compression #'s

akudirka

Cadet
Joined
Jul 9, 2003
Messages
7
Looking for someone to confirm the compression numbers. I ran a compression tester and found somthing interesting.<br /><br />Four corner cylinders measured exactly the same at 84, but the two center ones measured as 145.<br /><br />Is this by design? What should they be?<br /><br />Back ground - Engine was up to temp when tested. Multiple validation tests run. :eek:
 
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