Author Topic: Are the Ohlins ZX14 forks a direct swap?  (Read 7096 times)

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Offline ZG

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Are the Ohlins ZX14 forks a direct swap?
« on: May 09, 2012, 02:23:51 PM »
And if so are all years the same?

I'm thinking about a full Ohlins setup (forks and shock) but I see that Ohlins doesn't offer complete forks for the Concours 14, only the springs. Ohlins does offer complete forks for the ZX14 though...  >:D
« Last Edit: August 18, 2012, 09:18:27 PM by ZG »

Offline Cap'n Bob

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Re: Are ZX14 forks a direct swap?
« Reply #1 on: May 09, 2012, 02:46:20 PM »
I just did a comparison of the 2009 C14 ABS and 2009 ZX14 front fork assembly on the Ron Ayers Microfiche. The parts are almost identical. There are one of two bolts or washers that may be slightly different. But it looks like they would swap over. Although I would look closer at the parts that are different before buying, just in case they may make a differance that could be crucial.

Offline Rev Ryder

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Re: Are ZX14 forks a direct swap?
« Reply #2 on: May 09, 2012, 02:51:33 PM »
In 2007, I put a "new take off" set of 2007 ZX14 forks onto my C-10.  SInce then, I have compared them to the C-14 forks and VUSUALLY could discern no difference other than the anodizing (color).  I did NOT measure them for length or the steering stop tabs, but they APPEARED to be the same in a casual inspection.  There... that's worth about nothing I reckon. LOL
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Offline mcrider007

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Re: Are ZX14 forks a direct swap?
« Reply #3 on: May 09, 2012, 04:07:13 PM »
If your C14 has ABS then you better own (or have access) to a drill press.

Offline ZG

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Re: Are ZX14 forks a direct swap?
« Reply #4 on: May 09, 2012, 04:49:08 PM »
If your C14 has ABS then you better own (or have access) to a drill press.

Yes, I have an 09 ABS. What would a drill press be needed for?  :017:

Offline mcrider007

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Re: Are ZX14 forks a direct swap?
« Reply #5 on: May 09, 2012, 05:29:24 PM »
If your C14 has ABS then you better own (or have access) to a drill press.

Yes, I have an 09 ABS. What would a drill press be needed for?  :017:


Your ABS sensor doesn't work very well when its taped to the bottom of the forks.

Offline ZG

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Re: Are ZX14 forks a direct swap?
« Reply #6 on: May 09, 2012, 05:45:40 PM »
If your C14 has ABS then you better own (or have access) to a drill press.

Yes, I have an 09 ABS. What would a drill press be needed for?  :017:


Your ABS sensor doesn't work very well when its taped to the bottom of the forks.

Ah yes, good point!  :-[

This is exactly why I asked you wise folks...

Offline Stewart

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Re: Are ZX14 forks a direct swap?
« Reply #7 on: May 09, 2012, 05:54:21 PM »
Your being kind when you say wise. And I'm not sure about folks either.
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Offline Rev Ryder

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Re: Are ZX14 forks a direct swap?
« Reply #8 on: May 09, 2012, 07:11:56 PM »
now just cuz I'm still trying to figure out what's wrong with tape don't mean ya gotta step him back here.   :)
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Offline Sparkie

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Re: Are ZX14 forks a direct swap?
« Reply #9 on: May 10, 2012, 01:38:06 PM »
In 2007, I put a "new take off" set of 2007 ZX14 forks onto my C-10.  SInce then, I have compared them to the C-14 forks and VUSUALLY could discern no difference other than the anodizing (color).  I did NOT measure them for length or the steering stop tabs, but they APPEARED to be the same in a casual inspection.  There... that's worth about nothing I reckon. LOL

I'd be curious to here more about this. Did you use the ZX14 triple clamps also? How was the ride? Got pics? Mark  ;)
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Offline ZG

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Re: Are the Ohlins ZX14 forks a direct swap?
« Reply #10 on: May 10, 2012, 05:46:45 PM »
I just got an encouraging pm from Loren... More to come on this hopefully...  :popcorncouple:



His pm... (I hope you're cool with this bro, I know this will wet the appetite of others too...  ;D)

"Hi Jay,

I have a pair of Ohlins ZX14 forks being fitted out with the C14 Ohlins springs.  I hope to have them sometime late next week, if the shop has no problems with the spring change.

I'm keeping my fingers crossed that it will be a simple swap once the forks are

I already put an Ohlins on the rear, and liked the change, so the nexted step was the forks.

I will let you know how it works out.

Loren"

Offline Rev Ryder

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Re: Are ZX14 forks a direct swap?
« Reply #11 on: May 10, 2012, 08:54:01 PM »
In 2007, I put a "new take off" set of 2007 ZX14 forks onto my C-10.  SInce then, I have compared them to the C-14 forks and VUSUALLY could discern no difference other than the anodizing (color).  I did NOT measure them for length or the steering stop tabs, but they APPEARED to be the same in a casual inspection.  There... that's worth about nothing I reckon. LOL


I'd be curious to here more about this. Did you use the ZX14 triple clamps also? How was the ride? Got pics? Mark  ;)

Yes I did use the ZX14 Triples but adapted the ZG stem to the lower and used regular ZG stem bearings.  THe steering stop had to be cut a great deal and the upper triple had to be trimmed some.  Then, in order to have a speedo, I had to do some creative work and use a ZZR1200 front wheel, rotors, and speedo drive that I cut way down to fit.  Then, since the rotors were 320mm instead of 310 like the ZX and C-14 have, I had to space the rotary calipers out 5mm.
Handling is very firm and solid sportbike-ish.  The much shorter forks created and tremendous change in rake and weight bias, however, the steering stem offset helped all of this have a much less dramatic affect on trail so tip in is a little firmer than stock, but low speed handling (with wider bars) is enhanced as well as high speed stability due to a slightly increased overall trail.  Brake dive is 1/20th of what it was and there is zero flex and no need for a fork brace at all.  Remarkably, when other Connie riders ride it, they comment on the well planted rear and wonder what I've done there.  But only a fluid change to 15weight back there has been done.  Here's a pic from ten minutes after the install on 2007 and before painting the rest of the bike or even finishing the fitting of all the plastic to cover the turbocharger.  A lot has changed since then, but not with the forks (except they have endured two crashes and some skinning).


And to further jack this thread, click the link in my sig line to see how they deal with being pile driven landing from altitude on the ol fat lady.
« Last Edit: May 10, 2012, 09:05:10 PM by Rev Ryder »
The (more or less) Ultimate C-10 build continues.
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Offline RayK

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Re: Are the Ohlins ZX14 forks a direct swap?
« Reply #12 on: May 11, 2012, 04:59:29 PM »
I don't know... A Traxxion AK-20 Cartridge kit seems a lot easier and probably provides the same performance increase. They made a night 'n day difference over the stock internals. I guess I'm getting a bit lazier nowadays...

The AK-20 cartridges and Penske shock made one hell of a difference...
RayK                                                                 COG# 8125  CDA# 0273  '08 ZG 1400

Offline dirt_biker

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Re: Are the Ohlins ZX14 forks a direct swap?
« Reply #13 on: May 11, 2012, 05:48:07 PM »
ZX14 forks will mount right on NON ABS C14, how ever if you would like to put them on the 08 - 12 with ABS you will need to drill 12mm hole and the 2 mounting hols and tap them, also the mounting area is not flat and needs to be ground down or milled down so it's flat, the spacing from the sensor and the rotor is .028 to .035, we used a drill press and mill bit. one of us was holding the fork level  the other carefully move the fork to trim off the excess.





on the 2010 we had to drill 12 mm from the back side and on the front side 18mm 1/2 way in. also the mounting area is not flat and needs to be ground down or milled down so it's flat,also the hole is larger and only needs 1 mounting hole and turned as the mounting hole is out a little further way from the sensor.




« Last Edit: May 28, 2012, 11:05:13 PM by dirt_biker »
2009 Concours14, ZX14 Forks, Full AreaP, PCV, Autotune, and BMC air filter, Flies out, Corbin Seat & Trunk, 2" Risers, Garmin 450 GPS, DKW Sound, Rosta CC, PR3's, CB ultra touring Shield. These are the other rides I have now. 76 KZ900, 98 KX500, 06 CR450R, 75 CR250M, 04 Vforce 700, 09 KFX450r

Offline ZG

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Re: Are the Ohlins ZX14 forks a direct swap?
« Reply #14 on: May 11, 2012, 06:37:13 PM »
ZX14 forks will mount right on NON ABS C14, how ever if you would like to put them on the 08 or 09 you will need to drill 12mm hole and the 2 mounting hols and tap them, also the mounting area is not flat and needs to be ground down or milled down so it's flat, the spacing from the sensor and the rotor is .028 to .035, we used a drill press and mill bit. one of us was holding the fork level  the other carefully move the fork to trim off the excess.

Thanks for the pics and post DB, that is very helpfull! 

Yes, I have an 09 ABS, looking at the pics you posted that is also an 09 ABS right? So is that your bike? What year ZX14 Ohlins forks are those that you mounted? Or are the Ohlins ZX14 forks non-year specific?

Any issues with the ABS not working as designed since you've done this mod?

Thanks bro!  :beerchug: