How Not To Remove Motorcycle Windshield Scratches
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- Опубликовано: 8 ноя 2018
- I last did this procedure on a Memphis Shades windscreen on our old Sportster and it worked perfectly. This is the Optional Touring Screen from Yamaha made by National Cycle. It sure didn't like it...oh well it was worth a shot!
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I don't even have my FJR anymore but I still watch your videos. When someone posts something that doesn't work out so well it makes all of the other videos they've made even more believable/legit. "Oh, he's human too and it's not a perfect world." Thanks for taking the time to record/share your videos.
One of the more instructional videos I've seen in a while. Even though it was a "fail", learning what not to do is every bit as valuable as getting a perfect result. There is much to the idea of "trial and error" and "if at first you don't succeed, try, try again." And of course, it makes us appreciate Revzilla and Twisted Throttle when our own "fix" is less than adequate.
It’s actually refreshing to see someone not get the results they were hoping for.
Good for you brother. MAD respect for this video and I’m being completely serious.
Mothers makes a mag wheel and aluminum buffing compound that is extremely fit for motorcycle windshields. I use it once a year, then claybar, then ceramic coat for brand a spanking new windshield.
However, I’ve messed up so many over the years I’ve only learned this through trial and error, as well as RUclips U.
Good to see you don’t mind showing mistakes
'How NOT to' are still valuable information videos.
If you move up through polishes that most would use for paint, you might have more luck. Maybe not but you could try it. For anyone else watching, definitely tape off the section you will be polishing as soon as you move from wet sanding to machine compounding/polishing. There’s no telling how far your polisher will throw micro scratches, especially with a DA polisher. Painters tape is more then enough. And using an Isopropyl Alcohol and water mixture of about 50/50 will remove any compound and polish between steps and after completion. Great video, very happy to have seen yours. Most other videos go for the “$150 options”
Funny, I tried a heat gun on my Yamaha windscreen and got the same cloudy results LOL. I have used a heat gun numerous times on all types of plastic so I knew, or thought I knew what I was doing. My windscreen is decades old with deep cracks and gouges so I really had nothing to lose. One thing I did notice about my windscreen which makes me think yours is like this too, is that it looks like it has a very thin layer of plastic overlaid on the thicker sheet. I can see the thin layer along the cracks, looks like a protective poly wrap like you would get on the top of a phone screen or visor that you peel off after opening, except you can't peel it off because it's fused to the thicker sheet.
Thank you for posting this! I have used a heat gun to remove scratches from all kids of plastic surfaces. Works like a dream. Well, im fixing a scratched area on my snowmobile windshield and I'm to the point you were where I couldn't get the fine scratches out. Was getting ready to hit it with the heat gun and I came across your video. I did finally solve the problem by using wax. Not perfect but much better than it was.
This is a great video. We learn from trial and error. Prior to watching this video I had tried fixing face shields using sanding, heat, polishing. The Lexan type windshields have that coating that makes it impossible to match the color after the scratch is gone. Using wax will take out some of the minor imperfections but the major ones (large enough to feel with your fingernail) are not going to come out with sanding, heat or whatever. I have tried Novus polish 1,2,3, Mothers Chrome polish, toothpaste. Removing the entire surface may provide good results but that is more work. than i am willing to put into a face shield.
Thank you for still posting this! 👌🏻
Thanks for posting the video even after the results did not go as expected. We all learned something from that I am sure.
agreed
thanks for this "honest" video... friendly greatings from Belgium...hugo
I do have some light scratches on my Shoei GT Air face-shield. It’s worth a try! Thank you for sharing.
DO NOT TRY ON HELMET VISORS TOO MY AGV GT2 VISOR FUCKED UP
Great video. I have spent a fortune on products trying to remove scratches on a fish tank and ended up with the same problem. No matter how long you polish it just doesn’t clear. Time to cut my losses and buy a new one.
I enjoy taking on projects like youve just done, and the only differance i see i used a foam pad and meguiars plastX cleaner & polish little to no pressure just the weight of the sander buffer. Any body thats done this kind of stuff before has run into the same circumstances that just happened here , ive done my share of them....
Kudos for posting this! Nice to know that one can do everything right, and still end up with a failure.
I thought something looked amiss right from the first sanding. I'm guessing that the acrylic has some sort of UV coating over it
Thank you,,I did the same thing with my headlights and had the same problem, sorry about your windscreen,,I just got a brand new one for my FJR/2016 and I will be using your video for my how to.
Thank you,,wish you were my neighbor. Lol
I faced the same fate when trying remove scratches from helmet visor. When no amount of polishing worked, I used a heat gun but that made it worse. The hard clear coat cracked in near by areas from the heat. Had to replace it. I think the polish used for shining jewellery might have worked.
Thanks for the lesson learned.
Got the same effect after trying to safe my helmet's visor... Used waxes with no luck , damped it with some ceramic coat and made it 20% better after the 2nd layer but still a sight for sore eyes...
I recon that these manufactures see the DIY tips posted on social media and "up" their game in order to stay in business
Hey Brian, first off, love your channel! I have an FJR and I bought it from a buddy of mine who had the touring windshield on it. He had the stock windshield but it wasn’t stored very carefully and had a lot of surface scratches. I went through my own steps similar to yours to remove the scratches and buff the windshield out and my procedure worked great on the Harley winshield That I had on an Older Road King. That windshield came out great but the stock Yamaha windshield came out terrible! It almost seems like there is a surface coating that they put on the windshield and messing with any polishing compounds or sandpaper takes that surface coating off. And it takes it off unevenly! I am enjoying the stock windshield because I have a 2005 FJR and on that year, you need all the Air that you can get because that sucker runs hot! Especially since I live in the Daytona Beach area. Fortunately the stock windshield is low and you don’t look through it no matter what position it’s in. Keep up the great videos!
I always use Commandant number 4 (product from the Netherlands/Germany) it's a rubbing compound which you just apply by rubbing a cloth. I have already restored allot of windscreens with it to almost new condition. The scratches that you are left with here can also be easily fixed by this. I dont know or you can get it through ebay or in the states.
I have used this method to clean up the Poly headlight lenses on a few cars. Have to be very gentle.
I am pretty sure the Yamaha is a polycarbonate screen that has a coating on it. They cannot be repaired like a plexiglass type can. They are much stronger but once damaged cannot be repaired.
Can u tell me the rubbing compund name is it metal polish or glass fiber polish compound?
He Brian, love the channel. You may want to try a wax like Griots Best Of Show Wax. That tend to fill in the small scratches left by a compound. I also will use a gradually softer, less aggressive compound. I have not tried this on Lexan so take it with a grain of salt.
Good vid. With the coating scenario, it would be time consuming but you could hit the whole screen with your 2000 grit and uniformly remove the coating. Then move on with the compound as before.
With your proposal the entire wind screen would be dull. What's the point?
Great videos, a clear coat would probably sort that, I've done the same thing with plastic and glass head lights, even after compound always leaves a different in Finnish, a can of a decent clear coat will even out the the Finnish, some times even enough you can not see the difference. Again great video man.
Nice video and enjoyed the starting from scratch comment! I think you removed the UV coating when you sanded it hence the mismatch after.
I used Meguiars mirror glaze Fine Cut Cleaner with great results. My windscreen was oxidized to a cloudy haze. I started with a #5 grit, I will got #3 grit, then possibly #1 grit. It is a coated windshield, but Im going to clear the entire thing rather than replacing it.
My Yamaha has a similar windscreen construction. There is a coating on the windscreen (no idea why, UV barrier perhaps) and part of it came off when the previous owner removed something that appears to have been tape or a label.
I pretty sure that if you buff the entire thing it will look the same. it has a super thin coating on the surface which is why you can see those scratches from the buffing pad. far as I can tell you did a really great job bud
I have exactly the same problem on a Guzzi California Vintage windshield and this is a Lexan® shield (polycarbonate maybe with a coating).
Wow...I didn't read the title carefully, was so expecting success...live and learn.
Thanks for sharing
Sorry I'm 3 months late to this party. V Stream (national cycle) windshields have a coating on them. What happened was when you sanded it down, you sanded past the coating, making it impossible to match.
I wont be buying one of those then-THX
Removed the coating.
Worth using the buffer on the entire thing to remove it all.
Great info
Thanks for ALL of your vidoes. I have an fjr, the handlebars ideally need to be about another 1-2 inches higher, and 3-4 inches closer towards me because I dont like leaning forward as much as I do. Any recommendations?
I don’t know of any risers that give that much difference. All the control and brake lines would need to be changed. Sounds like you aren’t a fit for a sport tourer
TwoWheelObsession Ok, thanks. Appreciate it.
autosol make a polish for this you might wanna have a look at it if you have not
helped on my visor.
It is answer my question. Thanks! :D
I'm going to go with a very easy guess here: That isn't a plexiglass/acrylic screen, it's a lexan/polycarbonate screen with a surface coating/treatment.
Lexan takes much more work to polish (some consider it unpolishable, but that's because they are trying to polish it like plexi) You would either need either:
*a proper buffing wheel - not a car wax "buffer", but an actual polishing compound
*chemical method (surface treating or chemical vapor methods)
Unfortunately, that surface treatment isn't likely to like the same processing as lexan, so I would expect it to go like this: you try a little, then find the lexan is ok but now the area near it is bad, expand, repeat, expand...ending up needing to entirely remove the surface treated layer...which means no more scratch resistant layer!
also, for anyone who might be thinking that Yamaha was cheaping out - it was just the opposite:
Polycarbonate is more than 100x more impact resistant! but costs more and scratches more easily than the cheaper plexi.
So rather than cheap out on a plexi shield that is more likely to outright shatter/crack in half if it takes a big rock or you drop your bike (what most shields are), they made a more expensive shield that is very resistant to breaking/shattering and added a surface treatment to keep it nice and clear/not get scratched up.
So on my windshield and even might headlights. After I use the compound. I know you used metal polish. I always use it's a plastic polish and I get great results. I'm about to tackle a windshield that was in an accident. They was off my Harley from years ago and I'm going to clean it up just so I can give it to a friend. The Harley windshields are $450 now plus tax
Maybe Polycarbonate vs Acrylic would be my only guess other than some type of coating.
I tried only polishing my windshield and worked fine for small scratches. The problem with sanding is that it removes the windshield clear coat
i know I'm kind of randomly asking but does anybody know of a good site to stream newly released movies online?
@Keegan Heath i dunno I would suggest flixportal. just google after it :P -leighton
@Leighton Marcellus Thanks, I went there and it seems like they got a lot of movies there :) Appreciate it !
@Keegan Heath Happy to help xD
Nationalcycle (the producer)
use a patented coating on their screens. This makes the screen much more scratch resistant and is probably the reason you are not able to fix a spot as you remove the coating when you sand it down.
Good to know, I have a V-Stream windshield on my Yamaha Tracer
I think these screens are multi layer with maybe some anti fog technology that causes this. Same thing happened to me when I tried to fix some scratches in a helmet shield...would love to be able to salvage it.
it Pays to practice on a small inconspicuous area like under one of the mounting brackets.
With the fine polish do the whole shield then wash and let it completely dry. They spray the entire shield with a high quality clear coat then the finish will be uniform.
Hey m8 just wanted to know what cleaner do you use to bring it back to new condition
Plexus
YAMAHA USES POLYCARBONATE IN THE WINDSHIELDS IT REQUIRES A TOTALLY DIFFERENT PROCEDURE yes im still looking for it!
Like you say, if you're gonna replace it anyway, its worth a try.
I am glad I watched till the end. Now I know for sure what not to do.
Didn't say it last time but the garage is looking great!
I can confirm that the National Cycle windshields have some sort of coating. Mine got a scratch and the more I polished it, (using Novus 3-2-1) the more coating came off.
Yep that's exactly what it looks like.
oh.... means if there is a scratch, either polish the whole shield or just left it! lol
@@coolguy79jeffrey
The coating is pretty tough. It does not remove easily. I was able to polish out the normal daily scratches for years with no problem.
Same results on my ST1300 a couple of years ago....oh well
Try Mothers chrome n metal polish. It worked on another utube vid.
Toothpaste is also a good grit source - and that buffer was designed to work on a painted pannel - your windscreen was vibrating with the buffer. I suggest that having the screen off the bike and fixed on a soft pad may have given a better result.
I was holding it between clips. It wasn’t vibrating. Toothpaste is far courser than what you need at the end.
You have to sand 'ALL' The clear coat off the windscreen. Or it will look like that.there is a clear coating on the inside and outside.
Why wouldn’t several coats of car wax as a final step remove the cloudy spot? You could also use some clear coat. It fills the micro scratches which are refracting the light making it appear cloudy...same process for headlight lenses. Wouldn’t that work?
Not at all
Would this work on mra screens?
It depends how deep the scratches are. Just couple days ago i cut my mra screen to look more sporty, accidentally scratched it couple times. Tried some lapping compound to make it shine, didnt work. It got cloudy, bought some MOTUL E8 SCRATCH REMOVER. It made it shiny again! Plus took away all the scratches!
Anyone who doesn't watch to the end. NEVER rub out scratches with your thumb you'll just leave an indent in the material. Use a Sanding block. Also You need to go way higher grit than in the video.
If you don’t plan on keeping the damaged one I could make use of it as I’ve wanted to cut one short for mid summer riding airflow.
It's already gone
PJmtts ....I have a Suzuki c109 windscreen that had the same problem.
Mid center area is where the scratch was.
Still very usable...if you want it just pay for shipping from 91343...10lbs
You can't mix and match screens from different bikes lol
@@TwoWheelObsession oh I know...lol.
I was just saying if he needed one in general, maybe to chop the top or something....😁
Hi Brian, apply the glass coating to the new screen....
Good idea
With UV protection.
He's talking about the quartz coating I applied to the bike
That’s easily corrected with the proper tools and technique.
I fogged out my Indian shield by using rainx. Never knew there was another rainx for plastic.
Clear paint would have being a good last option to try. I used it on my car lights
Scratches on Acrylic windshields polish out easily. Polycarbonate/Lexan...not so easy. If the windshield is coated and the scratches are deep, it's time for a new windshield unless you want to sand the entire coating off then polish.
Novus polish . Use 3 then 2 then 1. Best product I have ever used .
I don't think it works when it has a coating.
I don't know about that but it is great on my translucent plastics on my Buell .
I have a Gen III touring screen sitting in a box in the garage. Very lightly used. Make an offer if you want it!!
Sold. Email me bryan@bgpictures.com
Wasted 12 minutes out of my time for failed attempt , at least u made me laugh at the end
Mapp gas torch works
Do the whole windshield. I screwed up my goggle lens and had to do the whole thing. Not going well so far, thus I am here.
Some manufacturers have "coated" windscreens (BMW for example). If you try to remove scratches using abrasive methods, you will only ruin the coating and the windscreen.............
National cycle use Lexan I think... Maybe that’s why it didn’t work...
As Homer Simpson would say - Doh!
Would a resin based fillers (like used in windshield cracks/stone chips) work better?
No those do totally different things.
TwoWheelObsession oh! I thought it just filled up the crack and then became transparent once it cured.
It’s for glass and windshields are a laminate not like motorcycles.
Missing some coated because sand paper
Memphis Shades screens are made from acrylic. National Cycle screens are made from poly-carbonate. Acrylic can be buffed out and repaired; poly-carbonate not so much. Check this from Dennis Kirk company: ruclips.net/video/2M-vPzHnGQU/видео.html
Try ceramic coating . I bet it is ceramic coated.
“Bugs after night” - so I’m the daytime.
1:54 Starting from scratch...LOL.....
Started watching you in this channel, your letting it go.....?? Bikes, remember???
Don’t assume things. Vids resume next week. We just moved
Hahahahah Nice job
Apply clear coat and its going to be fine
I lost confidence at "sandpaper", and wasn't wrong. Sadly!
sanding plastic wont work seen loads of people fuck this up :)
Scratched moto plastic windshields can never be repaired because are made of plastic.the more you clean the more are scratched.
You know what this is missing? a big disclaimer at the beginning telling the viewer this is a FAILING method.
I know, reading is hard. Try looking at the title.
@@TwoWheelObsession right. Except you're confidently going through the whole video as one would in a HOW TO guide.
"imma do this, then that" - like if it were metal polishing
As if you wanted to make the how to guide but failed, so you uploaded anyways and added the word "not" in the title.
@@KeepOnRecord Did you screw up your own windscreen by following parts of his steps after not watching the whole video, and misreading the title?
@@logigustafsson No. Would that validate or invalidate something?
So, Worse is *not* Better?
:-/
Lol
Operation successful, patient dead.
started from scratch, ended with INFINITE scratches..well done bro….you needed to know what material you were working with and the difference
between acrylic and pc- not to mention any coatings..
oh well…was a nice comedy bit regardless
It would have worked if you re clear coated it then sanded the orange peel of the clear coat and then compound and polish.
After you sanded the scratched clear coat away you never replaced the clear coat would’ve worked you just missed a step
Thanks Tom Hanks
How to destroy a near perfectly good windscreen. Thx anyway, I'll try not to do it on mine.