Author Topic: ZRX  (Read 2423 times)

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Offline Redbarron

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ZRX
« on: July 14, 2015, 09:29:19 pm »
Hello guys. I hate beet a dead horse but what would be involved in upgrading to a ZRX front rim and brakes?

My tire is getting worn the speedo cable is busted and I need brake pads ::).   If i,m looking at around $250.00 why not just upgrade.
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Offline Pbfoot

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Re: ZRX
« Reply #1 on: July 14, 2015, 09:33:56 pm »
In my case I got lucky. Sourced aZR7 front wheel from a COG member for $125. 4 piston Nissin calipers from a 2000 CBR600 for $40 off of flebay. Rebuild kit for calipers $40. SVR adapter plates for $80. So it ended up being about $275. Oops, forgot the tire Roadsmart 2 for $99 off of Amazon. It can be done! carry on sir, you will not regret it.
If you don't have time to do it right, when do you have time to do it over.                                                                17" wheels, Nissin 4 piston calipers.1kg Sonic Springs.Cartridge Fork Emulators. KB Brace. Galfer brake lines  Free power mod.

Offline turbojoe78_MA

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Re: ZRX
« Reply #2 on: July 14, 2015, 11:09:14 pm »
To put a ZRX front wheel on I think you'd have to put the whole front end on, can and has been done but I think you'd be looking at $500.00 minimum.

Here is all you need to know about the 17" front wheel conversion:  http://www.cog-online.org/clubportal/ClubStatic.cfm?clubID=1328&pubmenuoptID=35748
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Offline WillyP

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Re: ZRX
« Reply #3 on: July 14, 2015, 11:33:14 pm »
Here's another version 17" front conversion: Upside Down Forks on a C10 This one would hurt a bit more than $250, methinks. Unless you get very lucky on e-bay.

I think Dan Bergmen had ZRX forks and wheel on his ZGRX.
« Last Edit: July 14, 2015, 11:37:21 pm by WillyP »
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Offline danodemotoman

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Re: ZRX
« Reply #4 on: July 15, 2015, 06:10:34 am »
 Yes and this Dan is riding it!

Quote
I think Dan Bergmen had ZRX forks and wheel on his ZGRX.
« Last Edit: July 15, 2015, 03:29:29 pm by WillyP, Reason: fixed quote tag »

Offline GF-in-CA

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Re: ZRX
« Reply #5 on: July 15, 2015, 02:09:55 pm »
A ZRX wheel has been done, this was before the conversion wheels were discovered.  If you already have a ZRX wheel, IMO the best way to mount it is to use a 6303 series bearing, but the bearing housing in the wheel will need to be widened by 2 mm.  It will also require modifying the speedo drive on the wheel.  There is a track roller with the designation LR203 that is a direct fit to get to the C10's smaller axle, but it has a lower load rating than the stock bearings and has a spherical outer diameter, so it is not ideal, especially for someone who puts on the miles.  The 6303 bearing has an increased load rating over the stock bearing.

Otherwise, the easiest way to get a 17" wheel is to use one of the bolt on wheels.  Brake rotors from the ZRX are a direct bolt on to these wheels.  Any 6 piston or 4 piston brakes will require adapters unless you use the whole ZRX front end.

HTH,
« Last Edit: July 15, 2015, 02:14:52 pm by GF-in-CA »
Gary F.

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Offline Dave Scott

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Re: ZRX
« Reply #6 on: July 15, 2015, 02:18:59 pm »
based only on reviewing the instructions for the upside down forks, I'd say the ZRX front end replacement is easier.  I did not need to have any professional services done on the triples to install mine.

I'd also say the other direct fit wheels would be less headache than trying to fit the ZRX wheel.

Just my humble opinion.   :great:

Offline WillyP

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Re: ZRX
« Reply #7 on: July 15, 2015, 03:33:06 pm »
Sport Rider, is there a write up for the ZRX fork swap somewhere?
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Offline turbojoe78_MA

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Re: ZRX
« Reply #8 on: July 15, 2015, 04:01:11 pm »
Willy, I don't know if there is an actual write up for the ZRX front swap or not but if you do a search there are some threads with really good information in them.

I think Dan Bergmen had a thread that had very good instructions on the work you have to do to the upper triple clamp.

All the rest of the parts of the ZRX are bolt on once you have the upper triple sorted out.

Makes the bike feel so much more planted and really stable, I'm loving the way mine feels and brakes.   :)
1968 Honda 160 Scrambler,  Sold / 1979 Kawasaki SR 650, Traded in for next one,  1978 Kawasaki KZ 1000 Z1R Turbo Sold / 1986 Kawasaki ZX 1000R Ninja Sold / 1999 Kawasaki Concours Sold / 2014 Kawasaki Concours


Offline Pbfoot

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Re: ZRX
« Reply #9 on: July 15, 2015, 04:06:41 pm »
Here in the tech pageshttp://www.cog-online.org/clubportal/clubstatic.cfm?clubID=1328&pubmenuoptID=29565
If you don't have time to do it right, when do you have time to do it over.                                                                17" wheels, Nissin 4 piston calipers.1kg Sonic Springs.Cartridge Fork Emulators. KB Brace. Galfer brake lines  Free power mod.

Offline GF-in-CA

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Re: ZRX
« Reply #10 on: July 15, 2015, 04:08:56 pm »
There is a write-up in the tech pages (Pbfoot beat me to it)

http://www.cog-online.org/clubportal/clubstatic.cfm?clubID=1328&pubmenuoptID=29565

Sport Rider, I agree that the ZRX front end is much more plug and play (there is still some modification to do), but the ZRX parts tend to be more expensive than the ZX9 parts, so that will offset the machining cost a bit.  Either option is a big improvement over stock  :great:
Gary F.

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Offline Pbfoot

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Re: ZRX
« Reply #11 on: July 15, 2015, 04:10:58 pm »
 GF-I may have beat you to it, but I messed up the link due to being on my daughters macbook. That is my excuse and i am sticking to it. :))
If you don't have time to do it right, when do you have time to do it over.                                                                17" wheels, Nissin 4 piston calipers.1kg Sonic Springs.Cartridge Fork Emulators. KB Brace. Galfer brake lines  Free power mod.

Offline Bob_C_CT

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Re: ZRX
« Reply #12 on: July 15, 2015, 04:16:07 pm »
In the tech pages, C10 86-06 tab, suspension, ZRX upgrade.

I did mine about 3 years ago. Around $600 if I remember right, when you do upgrades like that you forget the cost because the results far outweigh the cost, I guess. When I acquired the front wheel I was almost given the USD ZX7 forks and triples. So someday I may have to try that upgrade.

Thanks again to the pioneers that figured this upgrade out.
« Last Edit: July 15, 2015, 06:28:35 pm by Bob_C_CT »
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Offline goatmar

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Re: ZRX
« Reply #13 on: July 15, 2015, 04:38:48 pm »
Or just go with the zr7 wheel and leave the rest.  :great:
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Offline Bergmen

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Re: ZRX
« Reply #14 on: July 16, 2015, 08:56:23 pm »
A 17" wheel is a big advantage but the steak and potatoes are in the rigidity of the ZRX front forks (as well as the monster brakes). Also, you get a much bigger front wheel bearing that is pretty bullet proof compared to the wimpy bearing on the stock C-10 front end. The installation also looks cool:



Dan
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