Fw: ZZR1200 Header

blackgpz at rochester.rr.com blackgpz at rochester.rr.com
Thu Sep 4 11:49:05 PDT 2008

I fit a ZX11 aftermarket exhaust to my GPZ once and clearance between the header and radiator was so close I was not able to re-fit the cooling fan. It was fine as long as I didn't get stuck in traffic!


---- 1KPerDay <1kperday at gmail.com> wrote: 
> You're very welcome. There's more info in the links below... if the
> GPz's radiator layout/spacing is the same as the ZX-11's it sounds
> like you're home free. Putting a ZX-11 system on the ZZR1200
> apparently requires radiator shims but not the other way around... if
> these guys are correct. I don't have specific info on GPz stuff, but
> we know the ZX-11 system fits the GPz so it will probably be the same
> or very close. Again, let us know how it goes. I can find no mention
> here of the centerstand stop issue so it may or may not be a problem
> for you. I'm sure I read it somewhere, though.
> http://www.zzrbikes.com/modules.php?name=Forums&file=viewtopic&t=25584
> http://www.zzrbikes.com/modules.php?name=Forums&file=viewtopic&t=22870
> http://www.zzrbikes.com/modules.php?name=Forums&file=viewtopic&t=20426
> http://www.zzrbikes.com/modules.php?name=Forums&file=viewtopic&t=17104
> http://www.zzrbikes.com/modules.php?name=Forums&file=viewtopic&t=17443
> Pay particular attention to these quotes:
> "A ZX11 exhaust will probably fit on a ZZ-R1200 but could be tight
> fit(shimming the 1200's radiator could be required). Reason is that
> 1200's headers have tighter bends which allow 1200's radiator to be
> installed a bit closer to the engine. So, while a 1200 exhaust fit
> perfectly on a 1100 (plenty of clearance behind 1100's radiator), the
> opposite is not perfectly true. I'm pretty sure shimming is minor
> though and not much involved."
> "Are there any pointers or things I should look for in changing my
> stock zx11 headers to zzr1200 headers so I can use aftermarket muzzy
> mufflers?
> Nope, straight swap. Just don't tighten the headers to the exhaust
> outlets until you have got the mount point under the engine lined up
> and the bolt finger tight."
> On Thu, Sep 4, 2008 at 10:30 AM, Paul S. Elsberry
> <pselsberry at comcast.net> wrote:
> > Jeff,
> >
> > Thanks for the info -
> -- 
> Utah Jeff
> '96 SheePz1100

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