Close-up of a small air-cooled engine's finned cylinder and rust…

Close-up of a small air-cooled single-cylinder engine laid on newspaper car ads, showing the finned aluminum cylinder with an open exhaust or intake port and a rusty steel flywheel shroud with a nut on the shaft. The port face and cooling fins are dirty with surface corrosion.

AI caption February 2010 · Photo 888 of 2216