runs rough

Hi, everyone, I've had a Ford 8n, has run well for years, I've accumulated about 150 hours on the present coil, points, plugs, condenser. I cleaned the points, set the ignition timing and tested, it was running great. After an hour of mowing, it lost power and was backfiring through the...

Hey guys, been doing some diagnositc on my 2010 CK20S and im at a loss. Background: started tractor let it idle for 15 minutes, used FEL for half an hour cleaning snow and was putting it away and pitch of engine changed and immediately started to smoke. took it to the shop and started...