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Old 07-07-2014, 11:08 AM   #676
F650Dakar_Norway
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Nice feedback on the Uni. A mustHave

One thing: Can the self-tapping airbox bolts be replaced by proper nuts & bolts?

As Filterman has noted these self-tappers are gradually loosing their retaining capabilities after each use and will at some point loose their function over time.

Me reckon regular inspections of the filterbox innards and filter functionality is a must if you enjoy group riding and/or dusty conditions. After all the KTM marketing hype is directed towards sport riding dirt conditions.
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Old 07-07-2014, 07:16 PM   #677
exlogger
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What aout?

Is the Doohikey OK?
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Old 07-07-2014, 07:57 PM   #678
Koolranch
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Quote:
Originally Posted by coloktmGS View Post
I think we all have this and if we ever forget...the GrandZorba will remind us that we should have it (or the atty's phone number on speed dial).
To help with that...I can offer this. I installed a Uni after having dirty butterflies. I first used the socks but then removed them as I also noticed a dulled performance. I then took the bike on a 1800+mile trip across the colorado Backcountry Discovery Route (650 miles+ of dirt) much of it on dusty roads riding 2nd or third in a line of bikes. When I got home, I removed the tank and filter to find this:

Untitled by coloktmGS, on Flickr

Untitled by coloktmGS, on Flickr


Untitled by coloktmGS, on Flickr

Untitled by coloktmGS, on Flickr

Untitled by coloktmGS, on Flickr

That final one is the 'dirty' side of the filter with the pre filter removed. All in all, butterflies and internals of box were spotless. This was a grueling environment for an air filter and success here has provided me with good piece of mind.

I did find it interesting that the dirt is focused on the lower half of the filter, right where previous videos showed the OEM filter flexing.

To anyone on the fence...buy the Uni and ride the damn thing...
Great report, I installed after I went on a dusty ride shortly after I purchased the bike. I'm going to pull it at 3000miles to have a look see.
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Old 07-07-2014, 08:01 PM   #679
BlueDownton
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Thanks for the update!

Great stuff there. Thanks for taking the time to show us the pics. Went on a ride yesterday in the mountains. Couldn't agree more about the bike!

Quote:
Originally Posted by coloktmGS View Post
I think we all have this and if we ever forget...the GrandZorba will remind us that we should have it (or the atty's phone number on speed dial).
To help with that...I can offer this. I installed a Uni after having dirty butterflies. I first used the socks but then removed them as I also noticed a dulled performance. I then took the bike on a 1800+mile trip across the colorado Backcountry Discovery Route (650 miles+ of dirt) much of it on dusty roads riding 2nd or third in a line of bikes. When I got home, I removed the tank and filter to find this:

Untitled by coloktmGS, on Flickr

Untitled by coloktmGS, on Flickr


Untitled by coloktmGS, on Flickr

Untitled by coloktmGS, on Flickr

Untitled by coloktmGS, on Flickr

That final one is the 'dirty' side of the filter with the pre filter removed. All in all, butterflies and internals of box were spotless. This was a grueling environment for an air filter and success here has provided me with good piece of mind.

I did find it interesting that the dirt is focused on the lower half of the filter, right where previous videos showed the OEM filter flexing.

To anyone on the fence...buy the Uni and ride the damn thing...
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Old 07-07-2014, 10:30 PM   #680
Bluesilver
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Very nice.....such a simple fix, could have been fitted from day 1 by KTM!



Thanks for the pics.
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Old 07-07-2014, 10:34 PM   #681
nighthart
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Question

Quote:
Originally Posted by coloktmGS View Post

...

I did find it interesting that the dirt is focused on the lower half of the filter, right where previous videos showed the OEM filter flexing.

To anyone on the fence...buy the Uni and ride the damn thing...
Probably because the snorkels direct the air to the lower half of the filters?
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Old 07-07-2014, 10:48 PM   #682
motomuppet
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Probably because the snorkels direct the air to the lower half of the filters?
I suspect the air directed to that area by the snorkels has little to do with it. The turbulence and suction created in the airbox will have a far greater effect on where the greatest load is placed on the filter. Any thermodynamic rocket surgeons out there able to calculate the velocity of the air moving through the airfilter into the throttle bodies at WFO at 9000rpm in any gven gear?

Clearly an area KTM failed to research properly, even after two model years, but thankfully there is a simple fix that seems to work perfectly! Thanks for the images
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Old 07-08-2014, 12:56 PM   #683
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Quote:
Originally Posted by f650dakar_norway View Post

one thing: Can the self-tapping airbox bolts be replaced by proper nuts & bolts?

.

+1

??
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Old 07-08-2014, 01:03 PM   #684
Ouroboros
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Originally Posted by JBird View Post
+1

??
I was wondering that last week when I was checking my filter. I believe a nut and bolt could be used on the left side and the rear two screws. The right side would take more imagination due to the threaded portion being inside the box. But I was having a few beers at the time and it could be the other way around.
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Old 07-08-2014, 01:05 PM   #685
PineyMountainRacing
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IIRC it will be hard to get to the more forward screws to replace with nuts / bolts. I was thinking about this when I installed the Uni because 1 of my screws was stripped from the factory. I plan to pull my tank off in the next week or so and look things over closer. I've got a little over 1000 miles since the Uni.
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Old 07-08-2014, 01:35 PM   #686
PineyMountainRacing
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Quote:
Originally Posted by Ouroboros View Post
I was wondering that last week when I was checking my filter. I believe a nut and bolt could be used on the left side and the rear two screws. The right side would take more imagination due to the threaded portion being inside the box. But I was having a few beers at the time and it could be the other way around.
exactly, that's how I remember it.
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Old 07-08-2014, 01:52 PM   #687
dragos
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Wouldn't it be possible to use some external clips / clamps?
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Old 07-08-2014, 01:55 PM   #688
PineyMountainRacing
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Wouldn't it be possible to use some external clips / clamps?
IDK if there would be enough clearance between the clips and the bottom of the tank. I think it's pretty tight.
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Old 07-08-2014, 03:31 PM   #689
kag
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Looked at mine today. Want something other than the uni filter



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Old 07-08-2014, 05:54 PM   #690
Omaha Tenere
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How can one filter do so well and then another not do as well? Is there a difference in the air boxes or possibly the install method?
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