The place I look is at the exhaust. The older models at least had a header type exhaust without all the heat sheiding. At least the Series 1 engines I've looked at . This is the one of the things I've noticed. Anougher is on the Series 1s the engine cover straddles the intake and the Series 2s completely cover the top of the engine. I've looked at several Series 1s lately nas I've been looking for an older SSEi..

2 cans of Gunk foamy engine bright, and a soft brush. Then rinse it off. Nothing else. Mine stays clean for 4-6 months.

I think I'll wait till springtime though. Michigan winters are a bitch.

Springtime would be a good time to get all that salt spray out of there.