Re: RodneyCB750K1979's compression numbers

Posted by seestheday on Jul 04, 2013; 1:22pm
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/RodneyCB750K1979-s-compression-numbers-tp4043161p4043202.html

Not sure what you mean by when.  You do a compression test with the starter cycling 4-5 times with WOT.

If your valves need lapping, you have worn out guides, or bad rings you'll have compression issues.  Other more serious problems also cause compressions issues (e.g. bent valves).