howell1000 35 #1 Posted May 15, 2016 Just went to mow started the tractor and smoked real bad never done that before not oil smell but carbon smell what could be problem??? anything I could get to solve it ?? the tractor I got from another person its has factory muffler on it and a stack on the side could that be the problem or does engine need something to clean it out?? thanks Share this post Link to post Share on other sites
oliver2-44 10,738 #2 Posted May 15, 2016 Try running some Seafoam in the gas. Also with it running spray some Seafoam into carb umtil it almost dies. let come back to speeds, and repeat 3 -4 times. Share this post Link to post Share on other sites