i have ran into this on old yales with vaccuum mixersthe problem is build up on the valve guides causing not to seat right and the valve guides wear out, the easiest way to find out is to take the intanke off and look at the valves. if its heavy with carbon you wuill have to take the head off and have it serviced. the one i did. starts right up on first crank in 32 degrees
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.