DUDES!!!!!!thanks it worked. First my lawn mower didn't start had gas gap open ,tipped it a little then I I started lawn mower , muffler spitting oil, filter dirty with oil. Took muffler off cleaned with w 40 first,filled with windex shaked cleaned then I water hosed down until no foam was form.but it together and then start it on again. A little smoke came out waited a lil and no smoke came out at all .tomorrow. Buying new spark plug,filter and see what happens. Everything works but tomorrow I'm cutting my lawn so let see what happens .THANKS. Everybody