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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: propav8r on August 08, 2017, 10:32:23 AM

Title: Windshield Clarification
Post by: propav8r on August 08, 2017, 10:32:23 AM
See what I did there?


And there?


Ha.


Anyhow, the windshield on my '85 K100RS is cloudy and somewhat yellowed. I've had good success bringing back yellowed headlights before, but wondered if anyone has had similar success with plastic polish kits on their windshields. Alternatively, if there's a solution I'm not considering, I'm all ears.
Title: Re: Windshield Clarification
Post by: ^Adrninistrator on August 08, 2017, 10:47:39 AM
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Title: Re: Windshield Clarification
Post by: propav8r on August 08, 2017, 11:22:49 AM
Lol.

If you have a link to a better thread, like I said, I'm all ears.

(http://i.imgur.com/hTPlXSC.png)
Title: Re: Windshield Clarification
Post by: The Mighty Gryphon on August 08, 2017, 11:33:03 AM
At the risk of violent sanctions from the search engine police let me say that trying to make an old windshield clear again is a fool's errand. 

First, they are clear coated to make them scratch resistant.  The coating is almost impossible polish and incredibly difficult to remove.

Second, depending on what a previous owner may have used on it in the past 32 years you may be dealing with a molecular breakdown caused by a chemical reaction with an incorrect cleaning agent.  This results in crazing that goes down into the plastic of the windshield.

My suggestion is to wet sand with 600 and paint it with a base/clear.  Match the rest of the bike, contrast, or go for black.  Have someone paint a flaming skull on it...
Title: Re: Windshield Clarification
Post by: Laitch on August 08, 2017, 11:41:00 AM
If you have a link to a better thread, like I said, I'm all ears.
Probably better to be mostly eyes during a web search, if you're sighted.
Anyway, Gryph's original observation is among these results (https://www.google.com/search?q=polish+windscreen+site%3Amotobrick.com&oq=polish+windscreen+site%3Amotobrick.com&gs_l=psy-ab.3...15593.15593.0.15903.1.1.0.0.0.0.83.83.1.1.0....0...1..64.psy-ab..0.0.0.m6nYNqM6gRE). Results vary, apparently.