July 7, 20215 yr Hello again Blockage in the carb means that one of the small airways could be obstructed, if it was, the pilot system would not be working correctly so the bike starts on choke but then will not run when the choke is turned off. Try the compression test again after you have put a few cc’s of oil down the plug hole, this may seal up the piston clearance and give a higher compression result. If it does then you should investigate for ring and piston wear although I note you have replaced the piston and cylinder ! Good luck
May 25, 20224 yr 75 psi is too low. It will not run. I see the post is almost a year old so probably you have solved it. Was it stuck rings?
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