I'm helping my neighbor with his L120 (might be a LT120, decals are gone) running a B&S 20hp Intek V-twin. It seems to have power but it will pop through the carb once every 30 to 45 seconds and hunts/surges at high speed.(rpms) We've had the Nikki carb off and soaked it for a day in a bucket of carb cleaner, we then adjusted the rocker clearance,(the clearance was way out of spec). The engine seemed a little better after the valve clearance was restored but after a few minutes it was popping again.
Any thoughts?
Thanks
E.
Any thoughts?
Thanks
E.