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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: ill fitting K&N's NEW TOPIC NEW POLL POST REPLY
busakillerzx12r


Expert Class
Posts: 234
posted March 11, 2004 01:18 PM        
ill fitting K&N's

I bought my bike in december of 2002...I have 1 riding season on the bike and about 5,600 miles on it. I upgraded to the Muzzy Clutch yesterday and I thought since the bike is apart. i'll clean the filters. I always read that the K&N's were ill fitting filters so before I yanked them out, I took that plate off that covers the velocity stacks and there was a gap on the filters on the sides about 3/8 of in inch. those damn things weren't even in there right. I pulled them out anf they were all fooked up on the sides like they had be smashed against something..i can't believe I ran all year like that...Hell i might get some performance gains now that the filters are in there correctly. anyone else have this problem.?
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BusakillerZX12R
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TurboBlew


Moderator
BUSY DOING THE SCHIAVO
Posts: 4590
posted March 11, 2004 02:16 PM        
Three letters.... BMC


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Johnnycheese


Pro
Posts: 1008
posted March 11, 2004 03:29 PM        
just take the stockes and rip the yellow fuzz off of them but leave the mash
cheap and do better than BMC race filters
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Builder and tuner of some of the fastest N.A. and P/A Hayabusas and ZX12 /14 in Texas

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aliveagain


Needs a life
Posts: 5033
posted March 11, 2004 05:58 PM        
I had the same problem.They are a bear to remove and when I put them back in,I had to manually push the sides back in place.Real poor quality.
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mpfive0


Parking Attendant
Posts: 3
posted March 11, 2004 07:22 PM        Edited By: mpfive0 on 11 Mar 2004 19:24
Well, I just put a set of BMC's in. When I bought the bike a couple of months ago, it came with a full Micron Serpent exhaust (big money as we all know)and a PCIII.

Now it seemed to me that if the previous owner went to that expense to add these performance upgrades, I should be expecting to be pulling some K&N filters, and adding my BMCs, but instead I find completely unaltered Stock filters.

This makes no sense to me, does anyone here see the value in not going with at least K&Ns, which would have been the least expensive of all his upgrades by a long shot, and made the other upgrades produce way more power.

Well at least now I know my Baby has a new set of BMCs to complimemt the other mods, I will keep the stocks and mod them like JonnyCheese said, maybe do a ButtDyno test latter this summer.

As a side note, the fit and finish of the BMCs was far superior to any K&Ns I have ever put in any vehicle I have owned.

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pdb1964


Zone Head
Posts: 536
posted March 11, 2004 10:39 PM        
Any dealer would carry the BMC's?
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D


Needs a job
Posts: 3365
posted March 12, 2004 11:31 AM        
BMC"S look nice - I seem to tear up the K+N's every time I r+r for servicing.

I did however call them up and asked about the "1 million mile warranty" - they shipped me a new one in 2 days with basically no questions asked.

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harryzx-12


Needs a job
Posts: 3643
posted March 12, 2004 01:54 PM        
Early K&N's suck dick! They don't fit worth a shit. BMC is the way to go.
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busakillerzx12r


Expert Class
Posts: 234
posted March 12, 2004 02:00 PM        
All I have to do is rip the yellow fuzz off the stock's and that's all...will I have to re-map the PCIII because of the change in filters...Let me know. Thanks.

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BusakillerZX12R
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BusakillerZX12R
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mpfive0


Parking Attendant
Posts: 3
posted March 12, 2004 04:55 PM        
It was kinda funny, a few days ago, I went to put the BMC filters I had just picked up from STARCycle, which had them on closeout,( great price by the way).

I bought my bike a couple months ago, and it came with a full Micron Serpent exhaust and a PCIII, so obviously the previous owner dropped some decent cash to add power.

So given that, I was expecting to be pulling out K&N filters or at the very least modded Stock filters, but instead I found completely unaltered stock filters. Does this make any sense to anyone.

To spend $1200 or so on an exhaust, maybe $300 on the PCIII, but the guy couldn't drop 70 bucks on decent filters which means He was prolly not getting nearly the HP gains he was expecting from the other items.

Anyway, problem fixed now, with a race set of BMCs sitting nice and snug in there now.

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Johnnycheese


Pro
Posts: 1008
posted March 12, 2004 08:12 PM        
quote:
All I have to do is rip the yellow fuzz off the stock's and that's all...will I have to re-map the PCIII because of the change in filters...Let me know. Thanks.

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BusakillerZX12R

Most likely not for street riding but for the track yes
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busakillerzx12r


Expert Class
Posts: 234
posted March 13, 2004 10:11 AM        
So, I would be OK for street and everyday riding...what about if I went to the drag strip one day..would I still be OK with my Map I have on it. Thanks again.

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BusakillerZX12R
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BusakillerZX12R
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Don't think your gonna roll me on your liter bike....cause your not, you little punk kid!!

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Johnnycheese


Pro
Posts: 1008
posted March 13, 2004 11:55 AM        
yeah just bump the bars in mid and high 1-3 richer untull MPH falls off
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phil


Expert Class
Posts: 420
posted March 13, 2004 05:06 PM        
So who has BMC's in stock? Every time I contact somebody there not in stock or on back order, getting to be like work trying to find somebody that has em on hand.
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K BRYANT


Needs a job
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Posts: 2911
posted March 13, 2004 05:53 PM        
Yoshimura normally has them in stock.
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phil


Expert Class
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posted March 14, 2004 09:25 AM        
Thanks K , I'll give em a try.
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