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Old 12-27-2014, 06:14 PM   #1
mcma111 OP
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Cleaning Oxidized Plastic Fenders

I'm working on a red 2001 Honda XR650l and I'm guessing that the bike has spent a considerable time outside. The fenders are turning white in spots.

What is the trick to restoring the color and hopefully some gloss without buying new plastic? I seem to recall something about a heat gun and steel wool. Yes, no??
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Old 12-27-2014, 06:18 PM   #2
PeterW
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I'd guess paint or vinyl wrap are the good options, I seriously doubt there's a simple way, odds are the plastic is white under the top coat.

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Old 12-27-2014, 06:21 PM   #3
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BMW's
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87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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Old 12-27-2014, 06:45 PM   #4
JohnCW
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A very soft high speed polishing wheel mounted in a polishing machine using a polishing compound suitable for plastic (blue in the brand I buy) will completely buff out the haziness that's commonly found in head light lens in a car that sits in the sun. It'll buff this out and bring the plastic lens back to new without scratching.

So perhaps this might work on other plastic panels. Never tried it.
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Old 12-27-2014, 07:37 PM   #5
ThorRex
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one of the motorcycle supply companies sold a spray solvent to restore oxidized plastics. I assume it was a fairly strong solvent, probably scary stuff. I haven't seen it in a while though. I saw the stuff work on a old PE Suzuki fender....worked great. Check around the catalogs, might be still available.
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Old 12-27-2014, 07:44 PM   #6
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I have had luck with using a heat gun on KLR faded plastics. It takes a bit of a touch though, or you can over do it. Just move the gun around on the plastic until it the color start to turn. Don't over it do it or you will end up with something less than what you started with. As with wiping with ArmorAll, the results are temporary. Good luck
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Old 12-27-2014, 07:47 PM   #7
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I think this is the stuff.... http://www.motosport.com/blog/how-to...look-new-again
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Old 12-27-2014, 07:51 PM   #8
maxjett
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They say a heat gun will bring back the color. I go to Cyclegear and get my replacements, plastics are cheap.
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Old 12-27-2014, 09:31 PM   #9
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restore plastics

start with steel wool (0) go in a straight line and keep the plastics submerged in water, this will take off all the crap, go to (00) and (000) using the same technique. then use 150 grit wet dry sand paper and go in a circle, reduce your grade all the way to 1000 or 1500 depending on how close you want to factory finish. its very time consuming, but gives you back OEM looking fenders.
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Old 12-27-2014, 09:59 PM   #10
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Kawasaki KLR 250 Plastic Resortation with a Heat : http://youtu.be/o7AbneccV6w

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Old 12-27-2014, 10:09 PM   #11
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Somewhere on this forum, I tried and can't find it, is a thread about a guy rejuvenating the fenders on his 4 wheelers.
Used something like a 50-50 mix of paint thinner and mineral spirits.
From what I remember it was quite successful and did not effect decals or warning labels.
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Old 12-27-2014, 11:09 PM   #12
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Plastic restoration

https://www.youtube.com/watch?v=KJb5IPOx2l0
I found this the other day on You Tube.
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Old 12-27-2014, 11:21 PM   #13
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I don't know if it will work on that plastic but meguiars ultimate compound is amazing on headlights. Made some crusty junkyard lights I picked up look new with just a few minutes of rubbing.
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Old 12-28-2014, 01:11 AM   #14
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Reshoot it with krylon for plastic. That stuff is amazing
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Old 12-28-2014, 09:42 PM   #15
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Gyp knife blade and beer

I made a video last summer

You will need,

(1) small pack of gyp knife blades

(1) large pack of beer

(1) scotch brite pad

Paint peels, especially when fuel is spilled on it. Had a KDX200 that the p/o had painted with the Krylon plastic paint, it all bubbled first time a drop of fuel hit it. Heat gun works okay but real easy to burn the plastics.

Enjoy

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