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K&N: anyone heard of this?

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K&N: anyone heard of this? - 6/13/2008 9:51:34 AM   
i3enny


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I recently bought a K&N for my 07 600rr and when arranging a time to setup my 20k service, i asked the guy to put it on for me.   he told me that it was a bad idea, not to install it because it will hurt the life of the engine.  ive put K&Ns on all my vehicles thus far, and always had good results.  has anyone heard of anything bad resulting from a K&N?? 

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RE: K&N: anyone heard of this? - 6/13/2008 10:00:36 AM   
PlayfulGod


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quote:

ORIGINAL: i3enny

I recently bought a K&N for my 07 600rr and when arranging a time to setup my 20k service, i asked the guy to put it on for me.   he told me that it was a bad idea, not to install it because it will hurt the life of the engine.  ive put K&Ns on all my vehicles thus far, and always had good results.  has anyone heard of anything bad resulting from a K&N?? 
at the dealership right? He wants you to continue buying their shyty paper ones. I always loved K&N and used on many vehicle w/ no issues.


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RE: K&N: anyone heard of this? - 6/13/2008 10:12:45 AM   
Jump1979man


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there arent any issues however the stock air filter is just as good if not better than the K&N from what very many people on a lot of different forums will say.  Now Oil is another thing...are we talking air or oil?

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RE: K&N: anyone heard of this? - 6/13/2008 10:17:24 AM   
PlayfulGod


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quote:

ORIGINAL: Jump1979man

there arent any issues however the stock air filter is just as good if not better than the K&N from what very many people on a lot of different forums will say.  Now Oil is another thing...are we talking air or oil?
a paper filter will never compare to a K&N. K&N''s oil filters are good too.


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RE: K&N: anyone heard of this? - 6/13/2008 10:23:05 AM   
ffingers



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yeah i wouldn''t say it would hurt the engine, however a lot has been said about how the K&N filters are more restrictive with air flow. in cars K&N are okay because they are a closed system whereas in bikes they are not so tech used in a car doesn''t necessarily translate to a bike...just something to keep in mind...



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RE: K&N: anyone heard of this? - 6/13/2008 10:25:39 AM   
ffingers



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damn board... most thought is that the engineers designed the engine with a very specific fuel to air ratio and the paper filter accomplishes that, using an aftermarket filter should almost always be accompanied by a tune, unless the filter allows roughly the same amount of air into the engine...

considering the last thing you want to do is restrict air, that is the reason most people shy away from KN....

generally if you are going with aftermarket, opinion is that BMC is the best

and +1 to jumpman on the oil filter thing, that can make a difference, i personally read reviews on different filters and have been using Purolator Pure One with great results...

< Message edited by ffingers -- 6/13/2008 10:37:49 AM >


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RE: K&N: anyone heard of this? - 6/13/2008 10:30:16 AM   
PlayfulGod


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quote:

ORIGINAL: ffingers

yeah i wouldn''''t say it would hurt the engine, however a lot has been said about how the K&N filters are more restrictive with air flow. in cars K&N are okay because they are a closed system whereas in bikes they are not so tech used in a car doesn''''t necessarily translate to a bike...just something to keep in mind...


Ok, hows this. The K&N in mine flows more air than a paper one could for it.

I dont see how a K&N would be more restrictive. A tune would deff be needed.


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RE: K&N: anyone heard of this? - 6/13/2008 10:35:30 AM   
ffingers



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i am only going by research done by some other people, i can''''t say i have personal experience..yet 

but side by side, the K&n has less surface area to flow air...i''''ll get the link

here''s a side-by-side example with comments http://www.cbr929rr.com/airfilter.htm (i know it''s a 929) same thing with the f4i


< Message edited by ffingers -- 6/13/2008 10:55:57 AM >


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RE: K&N: anyone heard of this? - 6/13/2008 3:05:51 PM   
gotobatter

 

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stay OEM

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RE: K&N: anyone heard of this? - 6/13/2008 3:15:09 PM   
PlayfulGod


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quote:

ORIGINAL: gotobatter

stay OEM
Hell no lol


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RE: K&N: anyone heard of this? - 6/13/2008 4:17:08 PM   
wally28_osu

 

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I have been running a K&N air filter for two years now in my bike with no problems. It was actually recommended by many for better air flow than the stock. It''''''''s also nice to be able to take out and clean and put back in...dont hav to buy another filter. It pays for itself with that respect.


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RE: K&N: anyone heard of this? - 6/13/2008 4:37:04 PM   
wellarmedCr@cker


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Go with BMC or stick with the OEM.

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RE: K&N: anyone heard of this? - 6/26/2008 12:46:55 PM   
Wakcbr

 

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I think it''s because aftermarket filters are not design specifically for the engine or sensors for the engine.  Running oiled type air filters can ruin sensors in the intake and cause problems.  And of course, the dealer would not take chances of running with aftermarket filters.

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RE: K&N: anyone heard of this? - 6/26/2008 12:52:01 PM   
ffingers



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i am pretty sure they won''t ruin sensors in the intake....it''s more because these bikes are tuned for a precise air flow and the stock filter gives that....you go aftermarket that either restricts or increases air flow, you need to mess with the FI to compensate and most people don''t....you can look here on the board though, a ton of people run an aftermarket filter without a tune so it isn''t gonna destroy you, but you are likely not getting an increase and in some cases might be decreasing HP....

if what you are suggesting were true, racebikes would need different intake sensors...i doubt they intake sensors are all that different from stock, as they are just sensors, what changes is that the FI is specifically mapped to compensate for a drastic change in air flow..


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RE: K&N: anyone heard of this? - 6/27/2008 9:02:26 AM   
Brandon77



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K&N is the shiz

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