Finally Getting Ready to Upgrade my 80" Evo - Page 4 - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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post #31 of 50 (permalink) Old 08-13-2019, 03:44 AM
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Kyle,
We install one of the clips here, and with the precision honed wrist pin bore of the Wiesco piston, the wrist pin slides in with low pressure.
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post #32 of 50 (permalink) Old 09-09-2019, 04:40 PM Thread Starter
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OK, so I have another question that I'm sure has been answered before, but what's the best way to go about cleaning these gasket surfaces?

I tried a little last night with a rag and some denatured alcohol, but that didn't work too well. There's even some old gasket material still stuck on a few spots. Because it's aluminum and because it's the engine, I don't want to try to scrape it with a razor blade. I do have some rolls of emory cloth but, I don't want to go too far with that stuff either.

Is #0000 steel wool a good idea? Or maybe brake cleaner or degreaser and a soft toothbrush and a rag once I get the big stuff off?

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post #33 of 50 (permalink) Old 09-09-2019, 06:16 PM
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brass brush.

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post #34 of 50 (permalink) Old 09-09-2019, 06:57 PM Thread Starter
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Quote:
Originally Posted by Alan S View Post
brass brush.

Sent from here to there.
I considered brass and nylon brushes (both of which I have), but wasn't sure if stuff wanted to be stubborn.

Like ealier, I was using my thumbnail to try to pick some stuck gasket off where I pulled the lifter blocks and it didn't want to come up, and my thumbnail is pretty thick and sturdy. I might could carefully pry it with an awl.

Luckily, for the most part, the gasket surfaces are already pretty clean like, where the cylinder base gasket goes and stuff.

Kyle
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post #35 of 50 (permalink) Old 09-09-2019, 08:49 PM
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Also you can use a plastic putty knife. Find them at any hardware store.

If all else fails, you can gently use a razor blade. The gasket is made to seal small imperfections in mating surfaces.

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Last edited by Alan S; 09-10-2019 at 04:52 AM.
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post #36 of 50 (permalink) Old 09-14-2019, 10:26 PM Thread Starter
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This is clean enough, right (front cylinder, nose cone half)? There's no gasket material left, I can even see and feel the grooves from the original machining. I just can't seem to get the rest to come out. It's like a stain or discoloration. If you zoom on the close-up, even you can see the grooves in the picture.

Or does it need to be shiny clean? That discoloration doesn't feel like some kind of residue, and nothing I hit it with seems to want to get it off.
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Kyle
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post #37 of 50 (permalink) Old 09-14-2019, 10:44 PM
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Clean enough for the girls I go out with.

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post #38 of 50 (permalink) Old 09-14-2019, 11:36 PM
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If you can drag a fingernail across it and not snag, you're good.

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post #39 of 50 (permalink) Old 09-16-2019, 05:35 AM
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Looks plenty clean from here, Kyle.
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post #40 of 50 (permalink) Old 09-16-2019, 10:31 AM
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Try acetone. It cuts most any glue. Plastic & acetone don't play nice. Wooden popcicle stick will get it.

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