Webi have a husqvarna gt52xls with the briggs and stratton engine, 44r877 with 35 hours on it. Recently i started having issues with smooth operation, surging, and. Webfix idle/running problems with briggs & stratton most years, here's exact oring kit briggs carb repair, simple dual fix: Webi bought a zero turn mower with the 25 hp briggs professional series engine (model 440000) that is 6 months old and has 8 hrs on the clock. After i changed the oil. Webengine is brand new, less than 1 hour use. When just using the tractor at normal throttle, lets say to drive down the lawn before starting to cut, the engine rpm. It was surging and needed to be run nearly with the choke on by the end of last summer. 162k views 2 years ago. Is your lawnmower hunting and surging try this for a guaranteed fix on your briggs and stratton engine. Webi have a 24 hp briggs that surges at medium throttle up to high throttle or under a load. It idles and runs great up to about half throttle. I have adjusted the. Webhad an old briggs and stratton generator sitting in my shed for a couple of years. Since everything was pretty stale, i emptied and flushed the fuel tank, replaced. Just wanted to add what i found last night that corrected my surging problem. Might help some of you. Standard bolens riding lawn mower with 22hp v. Webhello everyone, i am currently working on a friend's riding mower with a 22hp 724cc briggs intek v twin motor and it suddenly started surging. Webi thought i would try to fix the surging first if they are not related. All my previous experience (which is very little) has been with the smaller 2 to 5 hp. Webthe first thing you do with a surging carb is to remove the blower housing so you get clean access to the engine start the engine, engage the blades to put a load on. Webfixing a surging briggs & stratton motor. Guys playing with tools. 16k views 2 years ago. This will fix nearly every surging motor without.