Huero
Novice Class
Posts: 47
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posted January 09, 2012 09:41 AM
Zx-14 header diameter.
Hello,
Its been years since i have been around here. Years ago i had a zx-12 but had to sell it. Anyway, does anyone know the header diameter for tge zx-14. I have searched and found the outlet diameter but what i need is the header(down tube) diameter.
Thanks,
Huero
  
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Huero
Novice Class
Posts: 47
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posted January 10, 2012 04:06 PM
I guess really what I want to know is if the zx-14 header pipe is a bigger diameter than the headers on the concours 14? I know alot of people swap but wonder if its just for the duals or if the down tubes are actually bigger.
Thanks,
Huero
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blackbullet76
Pro
Posts: 1134
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posted January 11, 2012 12:32 AM
Since the Concours engine produces less power, I would think it would be safe to say the header pipes are bigger on the ZX14.
____________
2007 ZX-14 black
Brocks s-meg exhaust
PCIII w/track map
BMC race filter
Flies removed
16 tooth front sprocket
Speedohealer
APE cam chain tensioner
Vortex rearsets
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Huero
Novice Class
Posts: 47
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posted January 11, 2012 10:57 AM
Thanks for the reply. I bet youre right. I just wondered how big they were. I just wondered if it was worth buying an aftermarket header.
Today, i will mic the concours headers and know what diameter they are. Is anyone able to mic the zx header?
Thanks,
Huero
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LOCK 909
Novice Class
Posts: 90
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posted January 11, 2012 05:59 PM
Will do it tomorrow afternoon post it about 3:00 pm.to late to dig out the header now !
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Wheelie
Needs a life
Old Man
Posts: 6902
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posted January 11, 2012 06:29 PM
quote:
Hello,
Its been years since i have been around here. Years ago i had a zx-12 but had to sell it. Anyway, does anyone know the header diameter for tge zx-14. I have searched and found the outlet diameter but what i need is the header(down tube) diameter.
Thanks,
Huero
ZX-14r is 44mm
wee
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Huero
Novice Class
Posts: 47
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posted January 12, 2012 09:38 PM
Thanks Wheelie, i went to measure the concours 14 header today only to find my digital caliper batteries dead. So, i got new batteries and will measure tomorrow.
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Huero
Novice Class
Posts: 47
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posted January 14, 2012 11:34 AM
 Edited By: Huero on 14 Jan 2012 19:34
Wheelie, i measured the concours 14 header at 34mm. That seems like a a big difference to me. Seems tlike the zx header would have a lot better flow.
Thanks for taking the time to measure yours,
Huero
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Huero
Novice Class
Posts: 47
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posted January 14, 2012 11:34 AM
Wheelie, i meased the concours 14 header at 34mm. That seems like a a big difference to me. Seems tlike the zx header would have a lot better flow.
Thanks for taking the time to measure yours,
Huero
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Wheelie
Needs a life
Old Man
Posts: 6902
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posted January 14, 2012 11:39 AM
quote:
Wheelie, i meased the concours 14 header at 34mm. That seems like a a big difference to me. Seems tlike the zx header would have a lot better flow.
Thanks for taking the time to measure yours,
Huero
where do you want me to measure it? id, od? high? low?
wee
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oldkawboy
Needs a job
Posts: 2125
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posted January 14, 2012 12:05 PM
Edited By: oldkawboy on 14 Jan 2012 20:07
I dug out my oem pipes from my '09 ZX14 and took some measurements, sorry but you'll have to convert as my old school calipes are in inches.
At the flange where the pipe fit's into the exhaust port in the head: I.D. 1.36" & O.D. is 1.64"
The O.D. before the downturn right behind the collar is 1.51"
Dan
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Huero
Novice Class
Posts: 47
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posted January 19, 2012 10:03 PM
Wheelie,
Hey i as just re-reading this thread. I measured the the header after it bolts to the head and aftet it makes the first 90` turn. So, if the headers were mounted on the bike, i measured just about the bottom of the radiator.
Is this where you measured 44mm?
Thanks again,
Huero
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Huero
Novice Class
Posts: 47
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posted January 19, 2012 10:04 PM
Oldkaw, thanks for measuring yours too!
Huero
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