K&N Air Filter

stutrump

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Hi folks. I've just ordered a K&N air filter online, to replace my original Yamaha paper one. I seem to remember years ago on my Carby Fireblade that when I put a K&N on that folk were saying I should adjust the carbs etc? So...getting to the point!! Can i just put the K&N in my S10 and ride away or do I need to make any other adjustments. Thanks in advance for any info!
 

Mark R.

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stutrump said:
Hi folks. I've just ordered a K&N air filter online, to replace my original Yamaha paper one. I seem to remember years ago on my Carby Fireblade that when I put a K&N on that folk were saying I should adjust the carbs etc? So...getting to the point!! Can i just put the K&N in my S10 and ride away or do I need to make any other adjustments. Thanks in advance for any info!
Hate to burst your bubble, but K&N filters are not very good at filtering. Paper OEM filters are probably the best choice for the Tenere. I know this runs counter to decades of hype from K&N, but read through the whole article and then decide.

http://www.nicoclub.com/archives/kn-vs-oem-filter.html
 

Firefight911

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K&N, masters of marketing false information.

There is no possible way they "flow more" while installed in your bike. The limiting factor is the intake and unless you enlarge that you are not getting any more flow. You are getting more dirt though. Additionally, to add to this fact, the butterflies restrict airflow even more than the diamter of the intake so you are not experiencing any benefit from them.
 

stutrump

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Uh-oh. Bugger...you've got me worried now! Well its ordered and on its way now...so too late. It was only about £6 more than a paper one anyway...so if I dont like it Ill stick it on ebay and buy a paper one. I seem to remember the one on my old Fireblade was ok though.
 

racer1735

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Don't lose any sleep over your purchase. Unless you ride in very dusty, silty areas, your won't ingest enough crud to ruin your engine over the course of however-long-you-own-it. We spend a lot of time writing accounts of what works, what doesn't, and if we don't agree with one topic we counter it with research showing the opposite. Fact is, the K&N 'doesn't filter as good as the stock paper filter'. But it filters good for most conditions, and does a decent job in some very lousy conditions. And it takes time, and a lot of dirt, to break down an engine. Ride on and enjoy what you've got!
 

snakebitten

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Re: K&N Air Filter

I agree. For 90% of us, there would be no negative impact from a properly maintained K&N.

But there is no benefit either. Which is a bit irritating considering what we are supposed to believe.

These modern machines are so well engineered in that department. (flow) Gone are the days of Big gains from bolting on filters and mufflers.
 

Geekay

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Re: K&N Air Filter

I always like the sound they (the k&n) make. Fickle I know, but had one on my v-strom and it sounded great when you opened the taps. Seemed to enhance the induction note. Does it do the same on an s10?


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snakebitten

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Re: K&N Air Filter

The S10 ain't never gonna have that strong honk on opening it's throat like the big V does. I like that sound too. (My brother and I have ridden many miles together. He on a V)
 

~TABASCO~

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There is also another choice, the UNI dual stage foam filters that work very well in all conditions... And we do bring them in from Australia... ::012::
 

Mzee

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Re: K&N Air Filter

snakebitten said:
I agree. For 90% of us, there would be no negative impact from a properly maintained K&N.

But there is no benefit either. Which is a bit irritating considering what we are supposed to believe.

These modern machines are so well engineered in that department. (flow) Gone are the days of Big gains from bolting on filters and mufflers.
Either we are all dumb and stupid for believing that the K&N is the best filter or K&N marketing is excellent? How did we get to believe that K&N is the best in the first place?
 

snakebitten

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Re: K&N Air Filter

Might be because many years ago, K&N filters WERE often a big improvement over poor flow OEM filters?
 

OldRider

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Re: K&N Air Filter

Mzee said:
Either we are all dumb and stupid for believing that the K&N is the best filter or K&N marketing is excellent? How did we get to believe that K&N is the best in the first place?
"We" never have believed k/n to be the best.
 

dcstrom

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And another thing... while the K&N might let through more dirt in laboratory tests, I ran my V-strom on one for 6.0,000 miles with no issues. That bike is still running great for its new owner. I once drowned that bike, filled up the airbox with water, and the K&N ensured that nice clean filtered water went into the engine. :D Whereas a paper filter would probably have disintegrated and made a hell of a mess.

I'm running a K&N in the Super Tenere now and it's seen some hellishly dusty roads through Bolivia and other places. I give the inside of the airbox a light coating of grease so that if there's dust getting through, some of it should stick. I never find any.

I think one of the keys to with the K&N is NOT to clean it. My theory is that once the pores a blocked by some dust, it filters better than when clean. I just cleaned mine for the first time in 16,000 miles, was really dirty but wasn't noticing a dropoff in fuel economy or anything like that. K&N say it can go as much as 50,000 miles between cleanings, but I wouldn't let it go anywhere near that far.

I'd considered using the foam filters for this trip (in fact I had a set), and I'm sure they do filter better than the K&N, but they need frequent cleaning in dusty conditions and the maintenance overhead is too much for me when there is riding to be done!

Oh and I don't believe for a second that they "flow better", but that's not why I have one.

Would like to see the laboratory comparison between the K&N and the Dyna filter and other similar reusable filters - anyone know if this has been done?
 

coastie

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dcstrom said:
And another thing... while the K&N might let through more dirt in laboratory tests, I ran my V-strom on one for 6.0,000 miles with no issues. That bike is still running great for its new owner. I once drowned that bike, filled up the airbox with water, and the K&N ensured that nice clean filtered water went into the engine. :D Whereas a paper filter would probably have disintegrated and made a hell of a mess.

I'm running a K&N in the Super Tenere now and it's seen some hellishly dusty roads through Bolivia and other places. I give the inside of the airbox a light coating of grease so that if there's dust getting through, some of it should stick. I never find any.

I think one of the keys to with the K&N is NOT to clean it. My theory is that once the pores a blocked by some dust, it filters better than when clean. I just cleaned mine for the first time in 16,000 miles, was really dirty but wasn't noticing a dropoff in fuel economy or anything like that. K&N say it can go as much as 50,000 miles between cleanings, but I wouldn't let it go anywhere near that far.

I'd considered using the foam filters for this trip (in fact I had a set), and I'm sure they do filter better than the K&N, but they need frequent cleaning in dusty conditions and the maintenance overhead is too much for me when there is riding to be done!

Oh and I don't believe for a second that they "flow better", but that's not why I have one.

Would like to see the laboratory comparison between the K&N and the Dyna filter and other similar reusable filters - anyone know if this has been done?
Same here! Let the K&N get nice and dirty before cleaning. I wipe out the inside of the intake every time I clean the filter and have never wiped out any dirt residue.
 

outdoor

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K&N, masters of marketing false information.

There is no possible way they "flow more" while installed in your bike. The limiting factor is the intake and unless you enlarge that you are not getting any more flow. You are getting more dirt though. Additionally, to add to this fact, the butterflies restrict airflow even more than the diamter of the intake so you are not experiencing any benefit from them.
Interesting there is an engineering guy that did tests on stock versus kn filter and on 154 hp and gained something like 4 hp with kn filter and 4 false torque
 

MattR

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EBC have pulled the same stunt with their advertising. What are actually budget brake pads are now highly regarded by many


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