Re: Old motor Home › Forum › Ask A Member › Old motor › Re: Old motor twostrokeReplies: 117Topics: 39 January 5, 2018 at 11:11 pm #69306 I *think* it’s an old Firestone built by Scott-Atwater. I’ve got one that awfully similar. DISCLAIMER: A lot of the time, when I think, I screw up… Jim I say "pardon me" a lot. I had a 20H, then raced open mod sleds.