Swing arm finish

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4/24/2020 4:26 PM

Trying to freshen my 88 XR250. The aluminum swingarm has a funky haze that won't scrub out no matter what I try. Is the only solution to sand it out ? I hate the way it looks but that's way more effort than I have the mental energy for right now. Are there any other solutions?

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4/25/2020 6:42 AM
Edited Date/Time: 4/25/2020 6:42 AM

Vapor blast and fine scotchbrite.

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Do It In The Dirt!

4/25/2020 7:42 AM

Weren’t they clear powder coated?

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Twitter: @ftemoto
Instagram: @mstusiak

4/25/2020 7:53 AM

Clear anodized I believe

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4/28/2020 2:39 AM

Spray oven cleaner removes anno. You can do a lye bath too, tub of water and a cup or two of drain cleaner that contains lye.

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04 KX125
94 KX250SM
75 Z1-900

4/28/2020 6:44 AM

The clear anodize from the factory has broken down. I've had good results removing it by soaking in industrial "purple" degreaser, as Kidkawie mentioned any acid will strip it and there are probably some other good methods on the internet. It will strip it off and leave the alu a black mess that you'll have to scrub clean with a stiff brush and scotch pads to remove that and you will have a raw alu swingarm when finished that looks pretty good but won't have any protection on it, as long as you keep it wiped down with WD-40 it will look good for a long time. I'd recommend a tub large enough to completely submerge it so it's even and doesn't etch a line into it, (ask me how I know this).
An anodizing shop can strip and re-anodize it for probably less than you think. I just had a set of rims clear anodized and it was about 50.00 bucks.

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4/30/2020 11:36 AM

If your not into having it factory finish... look into cerakoting it really happy with how my cr 250 came out , i think its glacier silver

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4/30/2020 11:37 AM

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5/2/2020 3:18 AM

Warm water and lye and then a clear coatPhoto
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Throwbackmxguy

5/2/2020 9:25 AM

I had it easier as the swingarm has flat surfaces unlike the tubes. Love the Cerecote. I'm not motivated enough to do that at this time
I got a scotchbrite pad for my 4 1/2" grinder and buffed off the nasty finish.It made quick work. I use that grinder for so many things at home and work.Then wet sand with 800 and then maybe 1000. The sin of this is the Pro Link stickers were in great condition and I had to peel them off.
I wouldn't think the lye was able to remove the blue anodizing so well

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