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Is it necessary to paint motor?

5013 Views 35 Replies 13 Participants Last post by  Doward
In the process of prepping the motor to repaint it, I think I stripped almost all the old coating (with the help of paint stripper and the dremel). But now I really like the motor in it's stripped state and don't want to paint it. It has a nice "patina" to it actually

Is it really necessary to actually paint the motor? If I leave it unpainted, would it be enough to spray it down every so often with some kind of lubricant (like WD40)? Thanks.
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If you don't spray down your engine it will eventually look like a turd if it isn't cared for. The 78's weren't painted and I have seen several that look good but I have one in the basement that looks like it is growing moss. It's that bad.

If I were you and wanted to keep it the way it is I would still paint it. But I would use Duplicolor clear engine enamel. Then it at least has something on it. But their aluminum color looks really good too.

I can't really tell whether my 78 was painted or just clear coated, but it looks like a GL500 where it's worn away. I'll take a closer look tomorrow, now you've got me curious.

I wonder what Honda used to clearcoat parts like the valve covers? Whatever it was, it's probably illegal to use now, funny how things become bad for the environment just about the same time the patent runs out...

Any BTDT with clearcoat on bare engine? Wonder which brands/types hold up best. There's also clear powder coat that might work well too.
I would say it's confirmed that the "UR" 1978 CX engine was not painted. It did however have a clear coat applied, whether that counts as "paint" is up for debate. I wasn't going to paint, but will give it a half hearted attempt since it looks so crappy after most of the clear coat is a fond memory.

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