!OUT OF STOCK!For Troy-Built tillers, Go Karts - WITHOUT 2:1 PTO - Cast Iron Cylinder Sleeve - Recoil Start - Has Muffler & Guard - 3/4" DIA. X 2.25" Keyed Horizional Crankshaft - Drilled & Tapped for a 3/8-24 bolt, 2 year factory warranty.