This is our 1971 Ariens Sno-Thro with the 7HP Tecumseh. My father purchased her (brand new) in July of 1971 for 1.00 and she has been maintained every spring with the regular scheduled maintainance. The parts that have been changed on her over the years are: maybe 3,4,5 or 6 sheer pins if that, 2 roll pins on the impeller, muffler, gas tank cap, scraper bar, rebuilt bucket skid shoes, a rebuilt head due to a spark plug situation, a new solid surface name plate with a modified older design chute turning assembly. When snow is thrown, only a 3rd to 3/4's of the bucket is used, (never) a full sweep, except for the first pass. First gear is used for blowing, sometimes second gear in the right kind or amount of snow. Third gear is rarely used at all and forth gear is used for moving the machine and (never) used for snow throwing! She has the original carburetor that has never been rebuilt or changed. She is a fine machine that serves us very well. (April of 2010) She has had her impeller and the lower impeller area resprayed with three coats of Rust-O-Leum orange and clear coat. *(THIS WAS DONE FOR PROTECTION ONLY AND NOT FOR ANY RESTORATION PURPOSES)* Almost after 40 years, the carburetor kit was added to the carburetor after a bogging down problem started to occur. The needle and clip, upper "O" ring, bowl gasket and power jet gasket were changed. The situation still occured until I cleaned the power jet holes and changed the "O" ring. The "O" ring was hard, slightly ...