So here's what I found when I pulled the covers and started cleaning. DAMN but it reeked inside there! I didn't realize it was a little twin cylinder, but I'll bet it runs smoothly. I found mouse shit, mouse nest, mouse trails, dead mouse, and some more mouse stuff everywhere. When I got it all cleaned off, I found a lot of corrosion on the aluminum parts and a lot paint eaten away. We'll have to see what some fresh fuel will do!