Compression for 1988 140 Evinrude

[havinfun]

motor has been rebuilt, would like to know what the compression numbers should be, also, should I check with engine warm or cold?

 

[Dhadley]

Re: Compression for 1988 140 Evinrude

Welcome!<br /><br />You can check it warm or cold, just recheck the same way with the same gauge each time. Do both and keep the records. The numbers should be within 15 lbs. Actual numbers will depend on several things like which heads you have.<br /><br />Good luck!

 

[havinfun]

Re: Compression for 1988 140 Evinrude

thanks for the quick response, greg