Originally Posted by n-gin
Any thing will fire off at least 80 psi. My lawn mower is 70psi.
Are you taking the compression reading at Wide open throttle or with the throttle closed?
Wide open throttle. She'll fire, but bogs horribly until you reach about 5000 rpm. I took coils, ignition modules, carbs, battery off of same style running bike and get the same results.