any solutions to my problem would be helpfull, I have rebuilt the carburator and tested several things electronic and compression everything seems normal but i still cant figure out why it will just idle and not rev up when i push the throttle it just bogs down and sometime back fires it acts like it is getting to much fuel but i see none in the carburator when i look in the carb or on the plug any Ideas? Thanks

 

Leaking crank seals are one of the major problems on lean running,hard to start,fouling plugs,back firing,etc that a lot of people overlook.