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Old 07-03-2012, 10:19 AM   #16
Bill Harris
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If these bags really are ABS you don't need to use any special expensive paint, ABS is very compatible with standard formulas, but you do need to make sure and prep the bag for for paint.
So noted for ABS (plastic, that is).
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Old 07-03-2012, 07:50 PM   #17
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I spray discolored and faded plastic parts on old bikes with Gibbs Brand penetrating oil. It doesn't leave an oily, sticky film, but after I let it soak on the parts I sometime give it a little "buff" to get rid of the excess. Probably isn't any worse than any of the other magoozzel that's been suggested, and certainly less work than properly preparing them for painting. I like it better than Back To Black, though that would be my 2nd choice.

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Old 07-03-2012, 08:00 PM   #18
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I tried Back to Black. It looked great for a short while, but faded away fairly quickly.

I have also painted a set of Krausers with Krylon Fusion black. They turned out great after a few coats. Then waxed them a few times and they still look good after 2 years. I don't have any photos, but the next time I see the guy that bought the bike, I will get some and post them.

The only problem with painting is the prep. You have to clean them really well. I wiped them down with a cloth and reducer a few times and could not get the rough finish to come out right, so I put some reducer into a clean spray bottle and misted them a few times, then wiped them down. That did the trick. the paint seems to have stuck really well.
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Old 07-04-2012, 03:07 AM   #19
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My BMW Classic panniers are also looking a tad bland. I just cleaned a couple of unsighted sections with a spray of brake cleaner, scrubbed with a old clean toothbrush and used two different methods to bring the black back. The brake cleaner gives it a lighter colour, so I won't use that again.
1. Ebony Rub 'n Buff. It seemed to work ok, as it does look better, but it should be better still.
2. Rubber grease (pbr brand) It's great for rubber bit's and pieces so despite the case not being rubber I gave it a shot. It blackened it up a bit better than the r.'n.b and a quick polish makes the greasy touch go. It's not a new look either, but certainly better than it was.

I might give a wider area a good go in the next few days, after getting some bonami to use as the cleaning product.
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Old 07-04-2012, 03:34 AM   #20
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So far I have found that a light rubbing compound works the best. Still experimenting.
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Old 07-04-2012, 07:39 AM   #21
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i thought i had read on another post or possibly a post on bmwmoa recently that the car bumper paint was the best way to go. i'm eager to see what kind of results you get in your tests as i need to do the exact same thing to my cases. actually the outside of the case is fine, but the inner area where they attach and by the seat is extremely faded. are they 2 different kinds of plastics? or is it because one is smooth and one is textured?
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Old 07-04-2012, 09:07 AM   #22
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Brake cleaner on some plastics....nasty. Does melt ABS and sure turns it grey.

Better fix some of that quickly Eh!

Step one, Leather Dye, let dry then buff.







Step two, good old shoe polish, more buffing.

Step three, Back to Black. Good for a few thousand miles before touching up again....maybe.





That's my old practice lid so never mind the scratches, I have put most of them on intentionally to practice removing them.......Ebony Rub'nBuff not so good.

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Old 07-04-2012, 09:16 AM   #23
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First, a heavy soak in Simple Green. Then a good brush and take them to the car wash. Give 'em a good spray.

Once dry, a good ABS cleaning solution. I like McGuiers plastic cleaners. They do a good job. Wipe it on with a shop towel or good heavy paper shop towel. Let dry, then wipe off.

YMMV, but a little elbow grease and time, they'll look good.

Have fun ;)
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Old 07-04-2012, 03:56 PM   #24
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on mine, I use a simple silicone spray and a soft cloth..
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Old 07-04-2012, 05:02 PM   #25
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Euro,

Lot's of great recommendations here. Something I stumbled upon accidentally is regular old Silicone Lube (paste) if you have some laying around the shop. It restored the luster in my instrument cover and bags surprisingly well. Rub it in well with fingers or cloth then buff with dry clean cloth. Might take a couple applications. Doesn't do much for UV protection but it just might bring them back to life.
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Old 07-04-2012, 09:18 PM   #26
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Originally Posted by Mike V. View Post
Euro,

Lot's of great recommendations here. Something I stumbled upon accidentally is regular old Silicone Lube (paste) if you have some laying around the shop. It restored the luster in my instrument cover and bags surprisingly well. Rub it in well with fingers or cloth then buff with dry clean cloth. Might take a couple applications. Doesn't do much for UV protection but it just might bring them back to life.
I did a small spot last night and it helped a bit but the area still looks a little grey. I think rubbing compound first and silicone paste or spray last.
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Old 07-05-2012, 08:11 AM   #27
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Seriously ... go the shoe/boot polish way ... you will be surprised
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Old 07-08-2012, 01:44 PM   #28
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Seriously ... go the shoe/boot polish way ... you will be surprised
Yep....cheap. Altough the "polish" has shot up in price the last few years. Must be less demand.

Altough the dollar stores do sell black shoe polish, I won't buy it, not very good.

If you have an electric polisher, worth putting the polish right on the pad, goes faster and then you can do your boots/gloves/jacket at the same time.
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Old 07-12-2012, 03:20 PM   #29
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So over the weekend I sprayed the bags with WD-40 and wiped them down really good to get the grime off. Next I sprayed them again and repeated over a couple of days. It looks like the WD-40 is soaking in and making them shiny again. I will wipe them off tomorrow and take some pictures.
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Old 07-12-2012, 06:13 PM   #30
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Too bad the WD-40 will destroy the plastic. So sorry.
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