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Old 03-06-2007, 10:09 AM   #1
scottr OP
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Windscreen Disgust ...... again

The ringing in my bad left ear is getting worse. It's getting worse cause the freeking windscreen on my 950 dumps a torrent of confused air right in my face and there's a constant roar in my head. This is with good foam earplugs shoved all the way into my ear canal. Arai XD.

After three or four hours it becomes really bad. If I stand up on the pegs its like another world. Absolutely quiet ... given the earplugs.

So yesterday in the middle of my ride I took the dingdang screen OFF. straped it to the seat behind me. Much better. Looked wierd having that nice unobstructed view out over the dash. My mirrors seemed somehow exposed and lonely.

I did notice the effort it was taking to resist the wind pressure towards the end of my ride. If one was going cross country it might be a bit much. No it WOULD be a bit much. I've got the new big 'touring' screen on order from KTM. I will report.

But I'm going out right now and chop most of this original puppy OFF. Pics to follow.

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Old 03-06-2007, 10:50 AM   #2
Swashplate
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I was thinking the same thing and/or doing the cutting holes thing to change the wind pressure behind the screen.

Also the the helmet peak seems to vibrate a bit too. I think this causes a low frew vib to be transmitted to the helmet (XD) then to the ears. I can put my finger on the peak and the low freq. noise seems to be reduced about 50%.

here are my specs

5-10
05 model with stepped gel seat
Arai XD helmet
earplugs
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Old 03-06-2007, 11:00 AM   #3
slaw
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visor vibe

my set up is standard screen and gel seat + 5"8' and i get visor vibration when its cracked open to clear the inside at low speed, you dont realise untill you shut it again at a slightly quicker speed and it suddenly goes quiet, i will look forward to hearing how you get on, the other thing is that i quite like the look of the original screen, i hope the new one looks as good,,,,
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Old 03-06-2007, 11:10 AM   #4
cpmodem
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Eh? Try not to confuse the air, or it will get mad at you

This (buzzing) seems to be a common complaint of XD wearers. Has anyone tried removing the visor to see if that helps?
-cp
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DISCLAIMER: All observations made in this post are mine and based solely on my own anecdotal experiences, and may contain large doses of facetiousness. YMMV, of course. You are "on your own", and I take no responsibility if someone tries anything in this post and gets into trouble with the law, damages their person or property, or goes blind. Take everything you read or hear "anywhere" butt especially on the Web with a large dose of salt.

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Old 03-06-2007, 11:17 AM   #5
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I guess I got it made. I've got a ratty old KBC MX helmet that is exceptionally quiet. Also, I don't experience head snap at high speeds when I look to the side or stand up in the pegs. And lastly, on a recent super slab trip in the cold and wet, the windscreen was absolutely essential to keep things tolerable in the cockpit.

I'm not trying to be Carl the Contrary but I just wanted to add an alternate report to the effectiveness of the windscreen (which, BTW, is MUCH better quality than the BMW windscreen I had).
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Old 03-06-2007, 12:29 PM   #6
HMR71
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Quote:
Originally Posted by cpmodem
This (buzzing) seems to be a common complaint of XD wearers. Has anyone tried removing the visor to see if that helps?
-cp
I removed the visor on my XD when I had a 950. It helped but the turbulence was still bad. I'm 5'9" with a 30" inseam. I loved the 950 but for long days on the slab it felt like my head was in a washing machine. It would take hours after a long ride for my head to stop vibrating. I also spent alot of time standing on the pegs to get the clean air.

FWIW- I had the exact same problem on my WeeStrom with the stock shield. I replaced it with the MRA Vario and it was smoothe as butter. Too bad they don't make something similar for the big KTM.
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Old 03-06-2007, 12:40 PM   #7
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OK Here She Is ...

Radical surgery:
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Old 03-07-2007, 01:13 AM   #8
HappyGoLucky
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Quote:
Originally Posted by VABCH950
Also the the helmet peak seems to vibrate a bit too. I think this causes a low frew vib to be transmitted to the helmet (XD) then to the ears. I can put my finger on the peak and the low freq. noise seems to be reduced about 50%.

here are my specs

5-10
05 model with stepped gel seat
Arai XD helmet
earplugs
My specs are very similar - 5 11
03 Model with old style seat
Arai XD helmet
no earplugs

I was riding my mates bike described above, and he had cut an almight hole in the screen - Naca duct style - and I was quite surprised that I could see clearly without vibration with the visor up up to 180km/h. I had sunglasses on, but this was unheard of for me previously on a stock screen.

Heres what I did to cure my peak vibration on the Arai - 2 layers of glass fibre and a bit of resin - voila. I then rattle canned it black to blend in nicely.






Quote:
Originally Posted by NothingClever
Any Brits have an www.Airoh.com they'd like to comment on?
Well I aint Brit, though we were colonised like half the civilised world. Thank God Almighty, we are free!

I tried an Airoh on for size, and the build quality is so laughable, its scary. It has the feel of a 5 year old bmw plastic helmet with foam in it. I mean, bmx. Sorry, that was a genuine freudian, and I thought I would leave it in for laughs.

The airoh is the most inferior quality looking helmet I have ever laid eyes on. And... the visor was taken to a local optometrist who declared it unsafe and bad news for the eyes. The Arai XD came back with good marks btw.
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Old 03-07-2007, 02:11 AM   #9
Achechino
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I've ordered a ktm's touring screen too....
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Old 03-07-2007, 07:04 AM   #10
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I put on the Touratech spoiler. Now it does not do that much, but I found what it did do was stop the high frequency vibration of my XD visor. But thats all it does. Small improvement so I kept it.
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Old 03-07-2007, 08:42 AM   #11
emelgee
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Quote:
Originally Posted by LiveInTheOutdoors
I tried an Airoh on for size, and the build quality is so laughable, its scary. It has the feel of a 5 year old bmw plastic helmet with foam in it. I mean, bmx. Sorry, that was a genuine freudian, and I thought I would leave it in for laughs.

The airoh is the most inferior quality looking helmet I have ever laid eyes on. And... the visor was taken to a local optometrist who declared it unsafe and bad news for the eyes. The Arai XD came back with good marks btw.
+1 on that. I took a look at the Airoh and also the HJC, which is sold at a similar price - they're probably OK for short trips around town, but for serious riding I wouldn't even consider them. On one of them (HJC I think) the visor didn't even close flush to the helmet - there was a 5mm gap most of the way around it. It wouldn't be very nice if you had to spend a day riding in the rain wearing one of those!
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Old 03-07-2007, 12:44 PM   #12
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GoNow,
Your solution looks good.I did a very similar job. I now use a C bailys 15 in with an enlargened (bent in ) naca duct with a deflector on the inside to channel the air above my head. It works great !!
Although there are different ways to skin this cat,......I think from my experience and the NUMOROUS posts on the subject, the 2 most effective fixes are 1) let some air through a duct to break up the "dirty" air behind the screen and 2) direct air over your head.
Hope this helps someone !
Killer Whale KTM
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Old 04-01-2007, 05:52 PM   #13
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NACA ish Holes.

As a simpler mod I wonder would it work if I were to cut a few holes in the window with a hole saw, but not cut the lower 25% of the hole. This may act like a flap directing the air up / out..... or would this be a completly stupid idea. I have had completly stupid ideas in the past.
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Old 04-04-2007, 01:31 PM   #14
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Interesting Window Mod.

I came across an interesting window mod elsewhere on this site. I realize its not on an ORANGE bike but the problems are the same. KW's solution looks good to me but check out the lin and see what you "Austrians" think.

http://www.advrider.com/forums/showt...ght=windscreen













Quote:
Originally Posted by Killer Whale KTM
GoNow,
Your solution looks good.I did a very similar job. I now use a C bailys 15 in with an enlargened (bent in ) naca duct with a deflector on the inside to channel the air above my head. It works great !!
Although there are different ways to skin this cat,......I think from my experience and the NUMOROUS posts on the subject, the 2 most effective fixes are 1) let some air through a duct to break up the "dirty" air behind the screen and 2) direct air over your head.
Hope this helps someone !
Killer Whale KTM


I can't sem to get the picture up but here's the link to KW's mod on page 2.

http://www.advrider.com/forums/attac...1&d=1173300270
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Old 04-13-2009, 01:08 AM   #15
LatvianStallion
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Quote:
Originally Posted by emelgee
+1 on that. I took a look at the Airoh and also the HJC, which is sold at a similar price - they're probably OK for short trips around town, but for serious riding I wouldn't even consider them. On one of them (HJC I think) the visor didn't even close flush to the helmet - there was a 5mm gap most of the way around it. It wouldn't be very nice if you had to spend a day riding in the rain wearing one of those!
I have had the Airoh for 3 years now and it is a very shitty helmet for touring and the build quality is terrible. Now I am researching what to buy next very carefully - I d rather pay more but get quality and comfort.

I am 6"2"" and the original windscreen on the 990 doesn t work for me very well, but I really don t like the looks of the KTM touring screen. Really looking at some alternatives but nothing convincing in the first two pages of this thread:( Except perhaps for the Hyderacing screen.

Yesterday did 250km highway ride and my ears are still hurting, I guess I ll have to get some earplugs at least for now.
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