Small Engines (Lawn Mowers, etc.): Briggs and Stratton 19.5 Crafstman Mower, briggs and stratton, carberator

Question
Origionally mower would only run if choke was at full. I adjusted the carberator, now it runs perfect at at full throttle and at idle, after about 20 minutes of mowing it stops running, the only way to get it running until it cools down is at low throttle. I also put in new spark plugs. I've tried readjusting the carb but nothing helps.

Answer
Hi Jeremy
 It sounds like you may still have a carb problem. Try removing the carb and give it a good cleaning including making sure all jets and ports are open. Also, check the flywheel and magneto arms for rust and trash buildup. Give this a try and let me know.