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 Post subject: Re: X1 twin disc setup
PostPosted: Thu Dec 29, 2011 10:43 pm 
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Joined: Sat Apr 24, 2010 10:15 pm
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Current ride: .Yamaha MT01
Location: in the saddle/ Cornwall
Contacted Pretech and they make a caliper thats almost identical to the nissin for £250 + vat and can use a second buell disc or EBC discs, looking to use a brembo master cylinder ,which I'll take off my Tuono and try. Love the AP calipers.. Mechanical porn ! !

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 Post subject: Re: X1 twin disc setup
PostPosted: Fri Dec 30, 2011 11:07 am 
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Joined: Wed May 06, 2009 6:54 pm
Posts: 595
Current ride: Lots
Location: Here n there
daywalker wrote:
OF the GSXR route is one that I am going to use. I have everything but the wheel and the discs which is in the post (apparently). I reckon the total cost will be around £550 using GSXR 600/750 forks K8 forks, bottom yolk and wheels and discs with GSXR1000 K6 calipers and master cyclinder with an LSL top yolk for a GSXR600/750 K5. All the stuff is available with very low mileage as the racers take it off and upgrade it and keep the originals for spares or sell it on. Plus the other benefit is better forks as well as lighter front wheel and stiffer spindle.


8-) 8-) I shall look forward to seeing it installed.....

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 Post subject: Re: X1 twin disc setup
PostPosted: Fri Dec 30, 2011 11:35 am 
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Joined: Wed May 06, 2009 6:18 pm
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Current ride: CB1300 & Z750R
Location: Esslingen/Neckar, Germany
Pict's showing XB instead a X1, nevertheless another nice conversion, usind Ducati forks and a custom made yoke:

http://p-formshop.de/redaxo4_3_2/files/gabel03.jpg
http://p-formshop.de/redaxo4_3_2/files/gabel09.jpg

found at http://p-formshop.de/redaxo4_3_2/index.php?article_id=5 (do you spot the little flaw? ;) )

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 Post subject: Re: X1 twin disc setup
PostPosted: Fri Dec 30, 2011 11:55 am 
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gunter wrote:
(do you spot the little flaw? ;) )
It's in German? ;)

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 Post subject: Re: X1 twin disc setup
PostPosted: Fri Dec 30, 2011 2:29 pm 
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Mr. Tourettes
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chris(madrid) wrote:
gunter wrote:
(do you spot the little flaw? ;) )
It's in German? ;)

Looks to me that someone got the risers wrong in the solidworks cad drawing :?

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 Post subject: Re: X1 twin disc setup
PostPosted: Fri Dec 30, 2011 3:31 pm 
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Joined: Wed Nov 16, 2011 9:57 pm
Posts: 989
Current ride: Pushbike!
Location: Spain
Don't mention the war. :shut:


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 Post subject: Re: X1 twin disc setup
PostPosted: Sun Jan 01, 2012 6:45 pm 
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Joined: Sat Apr 24, 2010 10:15 pm
Posts: 216
Current ride: .Yamaha MT01
Location: in the saddle/ Cornwall
Ha Ha spotted the flaw..the picture in the header is taken from the wrong side of the film..??

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 Post subject: Re: X1 twin disc setup
PostPosted: Sun Jan 08, 2012 10:02 pm 
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Location: my shed, Hampshire
http://www.ebay.co.uk/itm/BUELL-DUCATI- ... 3cc0745497


:o :shock: :? they dont look that good

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 Post subject: Re: X1 twin disc setup
PostPosted: Sun Jan 08, 2012 10:27 pm 
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proff. patpending
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Location: Bristol - Gateway to all things good
And maybe you can't get decent pads for them...

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 Post subject: Re: X1 twin disc setup
PostPosted: Mon Jan 09, 2012 6:44 am 
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has it got a pulse?
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Joined: Wed May 06, 2009 3:47 pm
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Current ride: FUBAR...Enough said!
Location: Reading
I love my Pretech twin disc set up-certainly halts my baulk better than I expected 8-) lOl lOl

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 Post subject: Re: X1 twin disc setup
PostPosted: Mon Jan 09, 2012 3:41 pm 
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A grey tide eel
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Location: Bristol
muzza wrote:
http://www.ebay.co.uk/itm/BUELL-DUCATI-HONDA-DUAL-4-PISTON-FRONT-BRAKE-CALIPERS-/260926887063?pt=Motorcycles_Parts_Accessories&hash=item3cc0745497


:o :shock: :? they dont look that good


I have one of those calipers as a back brake. Don't really think about it other than it is a bit strong for a rear brake. Should really get rid of it as it is too big and heavy for a rear brake.

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 Post subject: Re: X1 twin disc setup
PostPosted: Mon Jan 09, 2012 10:23 pm 
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Location: Laurel's Wessex
Talking of back brakes, I fitted one of these to Suzuki streetfighter today.
They also do one to fit Tubers:

http://www.billet.co.uk/popuppages/buell/rear_rear.html

http://www.billet.co.uk/popuppages/buell/whl_shll.html

Full page here.

I think I might start saving.....

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 Post subject: Re: X1 twin disc setup
PostPosted: Fri Jan 13, 2012 12:18 am 
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Current ride: 1999 X1
Location: Texas, Gerrards Cross
When I did the twin discs on my X1, I also went to a larger bore master cylinder. Braking wasn't really any better without it. It was either a 13/16" or 7/8". Can't remember that far back.

The only reason I can see keeping the stock master cylinder is for less pressure on each disc which would solve the problem of warping they're known for.

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 Post subject: Re: X1 twin disc setup
PostPosted: Fri Jan 13, 2012 12:20 am 
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Current ride: Muffin 2001 X1
x1glider wrote:
When I did the twin discs on my X1, I also went to a larger bore master cylinder. Braking wasn't really any better without it. It was either a 13/16" or 7/8". Can't remember that far back.

The only reason I can see keeping the stock master cylinder is for less pressure on each disc which would solve the problem of warping they're known for.


I didn't know X1 discs were prone to warping .....never had a problem with Muffins in 55000 miles

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 Post subject: Re: X1 twin disc setup
PostPosted: Fri Jan 13, 2012 12:31 am 
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Joined: Wed May 06, 2009 7:42 pm
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Current ride: M2 Razorback
Location: Mouth of the Port in the Shire of Hamp
kevmean wrote:
x1glider wrote:
When I did the twin discs on my X1, I also went to a larger bore master cylinder. Braking wasn't really any better without it. It was either a 13/16" or 7/8". Can't remember that far back.

The only reason I can see keeping the stock master cylinder is for less pressure on each disc which would solve the problem of warping they're known for.


I didn't know X1 discs were prone to warping .....never had a problem with Muffins in 55000 miles


:yt: The problem with Tuber front discs was the wear between the bobbins and the carrier, especially with the earlier bolt-up, 6-bobbin ones. They'd rattle their heads off at tick-over but I've not known them to warp.
Warping has nothing to do with pad 'pressure' and everything to do with uneven heating/cooling (eg holding the brakes on on a stationary hot disc) or poor design not allowing natural expansion/contraction.

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