I know that this is a very restricted class engine wise but I was wondering. Are there factory B&S parts that work better than others, or are more durable? My engine requires rebuilding due to piston damage. The exhaust valve spring retainer came off while the original owner was mowing his lawn. It is salvageable but a new piston is in order, and I have a complete replacement head.
This would be my first build of a goverened motor, so I am curious as to what I have to work with, if anything.