Hello, yea they don't look to hard. Okay, when you say foam you mean see foam? How much do you recommend. And that's what I figured was piston and rings.Wheres the best place to get parts for theses at? I traded a guy on craigslist a skil saw for it. All I know is that it's a 200 I'm not sure if that is a 200 e's unless that stans for electric start then yes I have electric start