Hey Alan, is it an HH100 Tchumseh? I still have a parts HH100 off of the G10 I parted if you need something off it. Also, if you want a couple of 5 hp briggs engines to make into a good working one for the tiller I can spare a couple. Let me know, I will give you a good price on them, unless you have something you want to trade me... hint hint lol.