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Old 03-07-2008, 01:52 AM   #151
ADV8
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Quote:
Originally Posted by SOLO LOBO
It has arrived... and low and behold, the ZX9R six-piston Nissin caliper looks to have the exact same mounting arrangement as my current four-piston Nissin, so my adapter should work...

More later after I get the front end of my bike back together and I can mount this one up
Very interesting thread.

Fwiw. (if anything)

Your ZX9 6 piston caliper probably has 90 mm mount centres/centers as did the 4 piston version.
That 90 mm measurement is also on the early GSXR 750/1100 (as already posted) (but the piston sizes are the same as the 4 piston Brembo caliper and changed on the later Tokico calipers)
The 90 mm is also found on the SRAD GSXR's and TL1000's (4 and 6 piston),dropping to 62mm from around 2000 on the GSXR (4 and 6 piston).
The Hayabusa 6 piston caliper is the TL caliper (with a colour change late model)
It would be interesting what effect the piston sizes had on the master cylinder (14mm and 5/8 inch )





ADV8 screwed with this post 03-07-2008 at 01:57 AM
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Old 03-07-2008, 07:46 AM   #152
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I need to correct my earlier post.... my 6 piston was from a Hayabusa!
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Quote:
Originally Posted by Stagehand
your bike is suitably dirty. Well done.
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Old 03-15-2008, 05:52 AM   #153
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I'm needing one of the above adapters if anyone has a spare and would like to sell.

I have the BP but was waiting to see what turns up before I go to a machinist.

Thanks
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Old 03-15-2008, 08:24 AM   #154
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I only made one, and that one's on 2Trac's GS... there was someone (in this thread?) who offered to make some. I would suggest contacting HPMGuy, send him the technical drawing and ask for a quote...
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Quote:
Originally Posted by Stagehand
your bike is suitably dirty. Well done.

SOLO LOBO screwed with this post 03-15-2008 at 12:50 PM
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Old 03-15-2008, 12:39 PM   #155
soyanarchisto
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Count me in for an adapter too if they are less than $100
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Old 03-15-2008, 12:51 PM   #156
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Quote:
Originally Posted by soyanarchisto
Count me in for an adapter too if they are less than $100
dude, you need to contact HPMGuy, send him the pdf of the adapter and ask for a quote...
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Quote:
Originally Posted by Stagehand
your bike is suitably dirty. Well done.
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Old 03-15-2008, 07:19 PM   #157
bmwblake
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i mentioned getting a local shop to do a batch it just slipped my mind. i'll try and run over on monday and see if i can get an idea from the guy.

i also need to hit the local breaker and see if he'll do me a deal on a batch of hayabusa calipers.

i'll keep everyone posted.
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Old 03-15-2008, 08:17 PM   #158
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I just traded emails with HPMGuy and it looks like he may be making a batch of adapters... looks like his price will be well below $50...

I think that it's frickin cool that someone is stepping to the plate to make these, with 'em anyone can mount a caliper, or perhps hand file the caliper ears a bit for a perfect fit

Please send a pm to HPMGuy if you are interested in an adapter.

My next project may be one to hang a K-bike 4-piston on a R80G/S!
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Quote:
Originally Posted by Stagehand
your bike is suitably dirty. Well done.

SOLO LOBO screwed with this post 03-16-2008 at 09:33 AM
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Old 03-15-2008, 11:36 PM   #159
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I looked into having a batch made up last year, but nothing came of it for many and various reasons.

From memory the price was working out around $50 (Kiwi) CNC'd aly (can't remember the grade without checking the drawing).

That was for the tidy option with a blind threaded hole and full radius ends as shown in the very first pic in the tread which I think is Steve NZ's bike, not the cheaper and easier threaded through hole and chamfered ends that Solo went for.

I just mention the details so that people can decide if they are interested in aesthetics as well as stopping

I'm still looking for an adapter for myself, so if HPMGuy steps up, I could be interested, or I can investigate having a batch made up.

The only slight complication is that I'm now in Perth (Australia), so I'll have to find a new supplier but in the grand scheme of things it's not a biggie.

I've also still got my sketch lying about somewhere if anybody in the metric speaking world wants a copy.

Have a good 'un

John
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Old 03-16-2008, 09:12 AM   #160
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I'd certainly be interested in the pretty version.

Rob
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Old 03-16-2008, 09:35 AM   #161
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Quote:
Originally Posted by Zebedee
not the cheaper and easier threaded through hole and chamfered ends that Solo went for.

Wow, getting trashed in my own thread,

FYI, I am not a machinist, and actually made my bracket myself..... I would agree that it ain't to pretty, but then again it was free. If I was going to buy one, I would want the pretty version as well.....
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Quote:
Originally Posted by Stagehand
your bike is suitably dirty. Well done.

SOLO LOBO screwed with this post 03-20-2008 at 12:09 PM
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Old 03-16-2008, 06:13 PM   #162
lesman
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Source for an Adaptor

Hi all,
Dan Sikes made mine in Houston. I paid $80.00. Very fast ,did a great job.
(713) 644-1428 dan545@hotmail.com. Norris Machine Shop. Dan is a gearhead, He races short track cars with motorcycle engines and excellent guy to deal with your machining. I have no financial interest in his shop.He may cut a better deal with volume.
I made my own bracket. It was ugly. I think my alignment was off a tad but it wasn't difficult. The straight scoop is this ,buy an adaptor, a 6 piston caliper. I used a 4 piston Brembo but my 6 piston Tokico is much better.



Good Luck,
Les
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Old 03-16-2008, 07:17 PM   #163
soyanarchisto
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Quote:
Originally Posted by SOLO LOBO
I just traded emails with HPMGuy and it looks like he may be making a batch of adapters... looks like his price will be well below $50...

I think that it's frickin cool that someone is stepping to the plate to make these, with 'em anyone can mount a caliper, or perhps hand file the caliper ears a bit for a perfect fit

Please send a pm to HPMGuy if you are interested in an adapter.

My next project may be one to hang a K-bike 4-piston on a R80G/S!
Awesome news! I am sending a PM his way now.
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Old 03-16-2008, 10:17 PM   #164
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Quote:
Originally Posted by SOLO LOBO
Wow, getting trashed in my owwn thread
Sorry mate, I wasn't intending to do you a disservice.

Your home brew job your adapter is without question 100% better than anything I could come up with

I’ll send HPMGuy a PM and see what sort of numbers he comes up with
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Old 03-16-2008, 11:02 PM   #165
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I made my own. If you have a copy of the drawing, and some basic tools, it aint hard.
I used all the same thread sizes as the caliper, made it easier getting the correct bolts.( which I had anyway)
I must admit I like making things that I could just as easily buy, but gives me a bit of satisfaction to do it myself.
And I have a few more tools than the average bloke.
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