Thanks for taking the time to answer me. - Yes, I've tried
to be systematic for about 3 weeks now. Checking and measuring (ignition as the main focus, then the carbs - 260 -> 230 jets, new airfilter ...). Spark plugs breaking down regards to sothing. - The electric system's a mess, but the...
I should very much know if 10 kg/cm2 (145 psi) is about right compression in this cylinder(s). - A Norton Commando 850 '73 model restoration project. Both cylinders gives exactly the same reading (I have certain mixture and ignition problems with this Amal 932, 230 jetted carburated engine...)...
