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Honda XR650L (1994)


Owner: dangerousleigh
Added on December 03, 2016
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XR650r Stock Air Cleaner ??? Junk the K&N?


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40 replies to this topic
  • 2000 xr650r

    TT Bronze Member

450 posts
Location: Nebraska

Posted February 23, 2006 - 07:37 PM


I bought my xr650r and it has a k&n filter. I ride 50%on road and the off-road i do ride is not extremly dusty. Will a properly oiled k&n perform well enough in these not so bad conditions?

Also if i do get the stock filter, what else do i need? Is there some kind of screen or something? Where can i buy the stock filter and what ever else i need? Thanks.

  • J_Daniels

    TT Gold Member

1,262 posts
Location: Washington

Posted February 23, 2006 - 09:29 PM


First of all, let me say how envious I am that you have a plated 650R. I have read all the sagas regarding plating of these bikes, and it leaves me with a feeling of dread at the thought of trying to get mine through. That said, I think you would be about the same whether or not you keep the K&N or go to a stock-type foam filter. This because although we hear stories about the inferior fine dust filtration of the K&N compared to foam, I think that the sealing edge of a K&N is superior to that of foam. I run a fat bead of grease around the edge of my foam filter and check it often to make sure no dust or sand is getting by. With the K&N, there is a rubber sealing gasket which (combined with the grease) ensures a positive seal. If you do decide to go foam, take a look on Ebay. I was there today, and saw at least five new foam filters for sale. Rocky Mountain ATV is another good source for this type of part.

  • TimBrp

    TT Platinum Member

1,950 posts
Location: Massachusetts

Posted February 24, 2006 - 04:04 AM


Get rid of the stock filter(although it is very good at filtering) the airflow vs. aftermarket stinks. UNI IS the BEST filter for the 650R. The fit is top notch, teedering on tight which is what you want. Apply grease to the mating surfaces of the filter and airbox and be done with it.

  • frankstr

    TT Titanium Member

2,125 posts
Location: Oregon

Posted February 24, 2006 - 05:23 AM


Uni filter...nuf said.... :thumbsup:

  • creeky

    TT Addict

4,858 posts
Location: Indiana

Posted February 24, 2006 - 06:00 AM


Echo the UNI.

  • pigryder

    TT Silver Member

729 posts
Location: Pennsylvania

Posted February 24, 2006 - 06:18 AM


i AGEE GET THE UNI FILTER AND AN XRS ONLY BACKFIRE SCREEN :thumbsup:

  • HC

    TT Bronze Member

148 posts
Location: Washington

Posted February 24, 2006 - 02:07 PM


sandemom , I heard Oregon was easy to tag in, just get the hard parts to pass inspection.

I have seen some wild stuff street legal in OR, worth another look. best of luck..

First of all, let me say how envious I am that you have a plated 650R. I have read all the sagas regarding plating of these bikes, and it leaves me with a feeling of dread at the thought of trying to get mine through. That said, I think you would be about the same whether or not you keep the K&N or go to a stock-type foam filter. This because although we hear stories about the inferior fine dust filtration of the K&N compared to foam, I think that the sealing edge of a K&N is superior to that of foam. I run a fat bead of grease around the edge of my foam filter and check it often to make sure no dust or sand is getting by. With the K&N, there is a rubber sealing gasket which (combined with the grease) ensures a positive seal. If you do decide to go foam, take a look on Ebay. I was there today, and saw at least five new foam filters for sale. Rocky Mountain ATV is another good source for this type of part.



  • J_Daniels

    TT Gold Member

1,262 posts
Location: Washington

Posted February 24, 2006 - 06:45 PM


sandemom , I heard Oregon was easy to tag in, just get the hard parts to pass inspection.

I have seen some wild stuff street legal in OR, worth another look. best of luck..

I am actally thinking about it; unfortunately I live in Communist Portland :thumbsup:
Maybe if I "sell" it to my dad who lives on the coast... :thumbsup:

  • Jayzonk

    TT Silver Member

558 posts
Location: Ontario

Posted February 24, 2006 - 09:48 PM


Hate to be selfish and turn the thread, but what air filter would give you the best filtering ability PLUS the best seal for the 650L?

  • wickedsprint

    TT Gold Member

1,212 posts
Location: Florida

Posted February 24, 2006 - 09:56 PM


First of all, let me say how envious I am that you have a plated 650R.



Here in Wyoming you could plate your quads for street use too, just need headlight and brake light :thumbsup:


To the thread starter, K&N sucks, they take in too much dirt, ditch it.

  • J_Daniels

    TT Gold Member

1,262 posts
Location: Washington

Posted February 24, 2006 - 11:07 PM


Here in Wyoming you could plate your quads for street use too, just need headlight and brake light :thumbsup:

Ahh, to plate the hopped up banshee... :thumbsup:

  • frankstr

    TT Titanium Member

2,125 posts
Location: Oregon

Posted February 25, 2006 - 06:50 AM


Hate to be selfish and turn the thread, but what air filter would give you the best filtering ability PLUS the best seal for the 650L?


Well, Don't be selfish "L" rider...UNI...says it all..... :thumbsup:

  • gnarly sprockets

    TT Bronze Member

152 posts
Location: Arizona

Posted February 25, 2006 - 12:47 PM


Here in Wyoming you could plate your quads for street use too, just need headlight and brake light :thumbsup:


To the thread starter, K&N sucks, they take in too much dirt, ditch it.


Source? Show me the unbias tests that compare the K&N with the other filters. I put 60,000 miles on a XL250 w/o a rebuild using the same K&N.

  • ram1000

    TT Bronze Member

176 posts
Location: Oregon

Posted February 25, 2006 - 05:25 PM


My dealer here in Baker City Oregon just told me that he received word from the DMV that there would be no more bikes plated in Oregon that were not street legal from the factory.

  • MIxr650r

    TT Bronze Member

118 posts
Location: Michigan

Posted February 26, 2006 - 05:53 AM


Maybe thats cause he wants you to buy a new one instead of converting yours. I'd check with the DMV for the straight answer. Sell it to me dude I'll get it plated for you and give it right back. Only crappy thing you'd have to pay sales tax twice.

  • XR/CRDave

    TT Silver Member

528 posts
Location: California

Posted February 26, 2006 - 07:48 AM


Why are the K&N's junk? I have never ran one due to everyone saying they are not good at keeping dust out. Yet both my sandrails had dual K&N's with outerwears and I never had a problem. Lots of offroad trucks and buggies run K&Ns and these motors have a lot more suction than our little 650s. Just curious as to why these are junk?

  • MIxr650r

    TT Bronze Member

118 posts
Location: Michigan

Posted February 26, 2006 - 07:59 AM


Xr/CrDave---if u havent seen one (K&N) the whole outside edge of the filter is rubber. the actual filter element is a rectange in the middle if the airbox opening. i dont know if my description makes any sense but the actual filter area is greatly reduced meaning less airflow---i guess.

  • wickedsprint

    TT Gold Member

1,212 posts
Location: Florida

Posted February 26, 2006 - 08:35 AM


Source? Show me the unbias tests that compare the K&N with the other filters. I put 60,000 miles on a XL250 w/o a rebuild using the same K&N.



Congrats, but holding one up to a light source and seeing the pin holes was enough for me, not to mention seeing dirt in my trucks airbox when running the K&N. If you oil them enough so they catch all of the dirt, they don't flow that muchbetter than stock.

  • HawkGT

    TT Titanium Member

2,166 posts
Location: Arizona

Posted February 26, 2006 - 11:25 AM


Well, all I can tell you is my experience with a K&N on my 99' 400EX quad. Ran a K&N for several years w/ an outerwear. Always kept the filter clean and oiled.

I recently rebuilt that engine because of a failed re-ground camshaft. The cylinder showed the telltale scratches caused by dust and other particulates getting sucked into the cylinder. My (very experienced) machinest pointed that out to me. It was pretty clear. He didn't know that I had been running a K&N. Sometime later, I overheard a conversation this machinest had with another customer about K&Ns and he said he can usually tell if a K&N was being used just by looking at the cylinder walls. Keep in mind, we're in the Phoenix metro area. Sometimes we'll have dust storms instead of rain storms.

Now, had the camshaft not failed catastrophically I would have had no idea about the internal wear in my engine. The cylinder wear was not keeping the engine from operating at a (seemingly) normal output. Nonetheless, the cylinder WAS wearing due to particluates being sucked in.

I used K&Ns on my streetbikes for years and would again. I don't frequently ride through clouds of dust on a streetbike. I do frequently ride through clouds of dust on my OHV machines (mostly deserts and The Dunes) so I choose not to use K&Ns in those conditions.

That's been by experience. Take it for what it's worth...

  • wickedsprint

    TT Gold Member

1,212 posts
Location: Florida

Posted February 26, 2006 - 11:35 AM


That is why I ditched it on my truck, I was frequently venturing into dusty areas, for the street they are ok filters, I'd use one in my current truck since it stays onroad.





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