The motor is stock w/a Pro Circuit pipe, K&N intake, High Rev box, bigger carb. When you put it in gear, it just kinda tops out & never hits those higher RPM's (used to be quicker). I've replaced/inspected fuel lines & filters, cleaned the carb, valve adjustment (to .003), but nothing's worked.
Aug 02, 2018 · The carburetor can be at the root of problems with a lawn mower. Checking to be sure this part is not loose or corroded is a good first step. Cleaning and adjusting the carburetor is also a simple way to troubleshoot problems that it may be causing and get your lawn mower working properly again.