Everyone is sold outYelp a lot of the new ones are just junk that why I keep my TB Horse in good repair.
not enough data. 1) governed idle, 2) decompression system, 3) governor links/throttle links/governor spring or setting, 4) static governor adjustment, 5) idle stop screw, 6) carb adjustment or replace original carb, 7) combination of any of the above.
Nah , i bet it is the drive belt.Got to be the spark plug for sure.
slomo
Bad cam?