Switching filter and need advise.


5 replies to this topic
  • 2000 xr650r

Posted November 25, 2006 - 07:02 PM

#1

On a xr650r, I am switching out my K&N filter for a UNI with xrs only backfire screen. Does anyone have experience with both filters? I assume the UNI will richen it up if anything. Or does the UNI flow the same or more? Thank you.

  • justarider

Posted November 25, 2006 - 08:34 PM

#2

I don't think you'll notice any difference in airflow. But I know the UNI cleans fine dust better than the free flowing K&N. One look at your air intake and you already know this. I am wondering if you are switching because of this or the fact that the K&N is a pain to clean as well.

  • big t

Posted November 25, 2006 - 10:50 PM

#3

You will be happy with the Uni.

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  • frankstr

Posted November 26, 2006 - 01:57 PM

#4

I don't believe the Uni will change your jetting ....
But I do believe the Uni is a better filter..:worthy:

:D :prof:

  • 2000 xr650r

Posted November 26, 2006 - 03:10 PM

#5

I am wondering if you are switching because of this or the fact that the K&N is a pain to clean as well.



I never though it was hard to clean if you have the K&N oil and cleaner. Yes I noticed fine dust in the airbox. I always kept it clean and i ride dual sport so there is not a vast amount of dust anyway. Also wondering if you guys use special rim grease on the UNI or just standard grease like Conoco or Mobil in the tube?

  • motopsycho650

Posted November 27, 2006 - 06:37 AM

#6

I have the XR's Only screen. It's not as free-flowing as you'd think. I made marks where the side panel pushes on it, and cut 4 large holes out of the screen. MUCH BETTER!
Posted Image

I'm told with a Uni filter, you don't need a backfire screen. I think it has a support built in. I use a stock replacement Twin Air with my customized XR's Only back fire screen.

P.S. Other than structural strength, you don't need a backfire screen. The factory adds it as a "safety feature," but trust me, if you burn your air filter, you have much bigger engine issues to worry about.

My personal recommendation is a Twin Air powerflow kit. $39.99 from Chaparral. http://www.chaparral...t=false&GiftID=

For some reason, the 650R kit is not in the USA Twin Air website, but I called them with the part numbers, and you can order straight from Twin Air. $47.99 for the kit - Part #150506c. $32.99 for replacement filters - Part #150506.





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