Can someone identify my Cox engine.

@OhBee wrote:Counter clockwise rotation?

Yeah it looks to have a “left-hand” snap starter on it. Other than the orientation of the spring, LH cams were usually black in color while the standard RH cake were normally gray. Older non-hex “snap starter” cams were usually red.

These product engines sometimes came with brass driveplates that I believe were designed to reduce wear between the crankcase and driveplate when used in pusher applications. Engines with brass driveplates were included on RTF models as well.

That needle valve could be a normal short needle with its plastic cap missing.

It’s hard to say what you’ll get for a product engine like that. On eBay, one day one will sell for only $8 and the next day you’ll see one sell for $35.

Welcome to the forum!