Author Topic: K and N Air filter  (Read 3901 times)

Chops

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K and N Air filter
« on: May 08, 2014, 04:13:34 PM »
Any reason why I shouldn't fit a K an N filter reusable filter never used them before
They are for sale on ebay from a mob in Albury for $95 with free postage
The local dealer wants 95 for the honda version or 156 for the k and n
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Re: K and N Air filter
« Reply #1 on: May 08, 2014, 04:31:23 PM »
Depends a bit on the version you get. If you get the one that has a fine foan outer sock like pre filter thing, dont use the pre filter as it seems to restrict the airflow too much and cause running problems.
Brock
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Re: K and N Air filter
« Reply #2 on: May 08, 2014, 04:36:00 PM »
Happy enough with the K&N on ours.....then just buy a cleaning kit from Supercheap for the K&N  :thumb
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Offline saaz

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Re: K and N Air filter
« Reply #3 on: May 08, 2014, 05:24:20 PM »
I have a K&N on the ST1100 for the last 140,000kms or so. No problems at all.  If you ride a lot around dusty gravel pits or mine sites, might not be as good!

There was an article a few years back where a K&N on an ST1300 increased power (link below), but I would not expect any better performance. On the ST1100 the whole intake system is the restriction, not the filter.

http://www.motorcycledaily.com/2004/09/21september04_kandnfilter/
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Chops

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Re: K and N Air filter
« Reply #4 on: May 08, 2014, 06:00:42 PM »
Thanks all for the feedback have ordered one
 

Offline ST.George

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Re: K and N Air filter
« Reply #5 on: May 08, 2014, 09:09:04 PM »
G'day Chops,


I also have a K&N air filter and recently did my first clean and re-oil. Be careful when installing and later cleaning, to not even slightly angle your tank too much. There is a cable under the tank that you would think prevent you from over angling the tank and there is supposed to be some kind of metal rod in the under seat cavity to hold the tank up while you remove the air filter cover. I couldn't find one so I put another metal rod I found in there and the next thing that happened was the main connecting petrol hose split so badly that the tank emptied to the car-port floor. Talking to guys at the annual meet at Ballarat revealed that this happened to others as well. So, be careful not to lift your tank past the point where the cable is straight - do not put any strain on it at all. I think my hose was a little inflexible coz it was  more than 10 years old, but I will be very careful with this next time.

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Offline jimwilly

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Re: K and N Air filter
« Reply #6 on: May 12, 2014, 10:51:42 AM »
I just received one from the same mob in Albury, $95.00 delivered. Bike will have a lot crisper acceleration and a slightly louder induction noise when given a handful. I had one on my Blackbird good value.
 

Offline Diesel

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Re: K and N Air filter
« Reply #7 on: May 12, 2014, 02:24:08 PM »
My K&N seems to do the job just fine - easy to remove, clean and re-oil too.
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Offline Biggles

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Re: K and N Air filter
« Reply #8 on: August 23, 2014, 05:37:34 PM »
Non-riding day in Brissie today, so time to overhaul the K&N air filter.

Did the spray clean and water flush.  High humidity, cold day, so helped the drying process along with the hair dryer.

Oiled her up- seems the kit runs out of oil before it runs out of cleaning spray, but I see in the SuperCheap auto catalogue they have the oil selling separately.

All good.  Check the instruction sheet to be sure all done.  Note underlined phrase "Dry naturally".  Hmm.  That's probably why I left it in the sun on previous occasions.  Still, time to put it back in the airbox.

So now I know why it shouldn't be dried with hot air.  The plastic base apparently shrinks enough to prevent the filter fitting over the lugs in the airbox.  It's a very neat fit when new.  Oops.

Fortunately I have a bar clamp that expands as well as compresses, and a bit of judicious stretching got the filter to fit in place.     :whistle

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Offline saaz

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Re: K and N Air filter
« Reply #9 on: August 24, 2014, 11:24:40 AM »
Cold day!  All relative I suppose.
John
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Offline Biggles

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Re: K and N Air filter
« Reply #10 on: August 24, 2014, 08:58:39 PM »
Today was a nice day for a ride so got the Bigglette on the back and went out in the arvo with some Buds.
I was out front and when we got to the coffee stop they said the ST was blowing smoke, especially off the lights.
Nope- not the tyres.  I reckon it's the excess oil on the K&N filter being burnt. 
Just something else to note about the K&Ns.
 
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Offline saaz

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Re: K and N Air filter
« Reply #11 on: August 25, 2014, 06:02:57 PM »
The K&Ns just need enough oil to colour the filter medium. Anything more will just get sucked through.  About 30 years experience with using K&Ns.
John
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Offline Biggles

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Re: K and N Air filter
« Reply #12 on: August 25, 2014, 06:49:15 PM »
The problem is getting the whole paper to colour as required.  There were still small areas of light grey before I gave up adding oil.
Anyway, I'm sure all that oil will provide some upper cylinder lubrication.     :grin
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Re: K and N Air filter
« Reply #13 on: August 25, 2014, 07:07:49 PM »
Rust proof the exhaust as well, and stop the cat converter wearing out.. (do our 1300s have a cat??)
Brock
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Offline Davoxt

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Re: K and N Air filter
« Reply #14 on: September 02, 2014, 01:56:51 PM »
Just clean mine after a east-west run 16,000 clicks, air box was spotless , gave the four air induction tubes a wipe out with a tissue no dust all dirt.

Been living in the Pilbara region of WA for over 20yrs anyone knowing this area would be aware of the dust problems, my DL1000 has had a K&N filter for years now and just like my ST air box itís always been spotless.   ++   
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Re: K and N Air filter
« Reply #15 on: August 22, 2015, 09:17:21 AM »
I know that this thread is quite old, but K&N filters are in common use and I thought that this 2009 objective comparison between K&N and OEM filters might be informative.

"This report presents the results of an ISO 5011 test of several air filters designed for the GM Duramax Diesel. The test was independently performed under controlled conditions using a $285,000 machine at Testand Corp of Rhode Island (manufacturer of the machine)"

Go to http://www.nicoclub.com/archives/kn-vs-oem-filter.html  for the test conditions and results.
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Re: K and N Air filter
« Reply #16 on: August 22, 2015, 10:24:47 AM »
Interesting article.

Never went the K&N way myself, as I thought that greater flow means more contaminant into the engine
Brock
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Re: K and N Air filter
« Reply #17 on: August 22, 2015, 11:08:45 AM »
Never went the K&N way myself, as I thought that greater flow means more contaminant into the engine

....which is confirmed by the test.
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Offline Carsten

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Re: K and N Air filter
« Reply #18 on: August 23, 2015, 11:06:17 PM »
Can confirm that the pre filter is left out.  Runs like crap with it in.
 

Offline Assassin

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K and N Air filter
« Reply #19 on: November 13, 2015, 11:10:02 PM »
I'm not a fan of K&N filters... I must be the only one, still prefer genuine....
I agree with Brock, more air flow means more dust, we live in a pretty dusty country....

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« Last Edit: November 13, 2015, 11:19:29 PM by Assassin »
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