I have several two-stroke Lawn Boys from the 1970s -- it's a shame that they don't make them like that anymore.
My latest project is a 1974 model 8232. I bought two of them and have been using one for parts. I took off the self-propelled mechanism and got it running.
Here's a picture:
My engine cover is green and the handle is black...Hard to tell what is original..7229...and she causes my grunting...lol