popyasmurf
XS650 Member
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What other more powerful calipers fit the XS650 ?
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What other more powerful calipers fit the XS650 ?
- Thread starter popyasmurf
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TwoJugs
Excess XS
I havn't seen anything else that fits unless you are able to build your own mounting adapter that will hold it to the forks or frame? Those I saw done used another fork assembly or had them on a complete custom frame build. The alignment will be different so lots of engineering comes into the equation. I find that the XS calipers works fine. Try cross drilling the rotors and adding stainless hoses. The few I did those changes to have rock hard levers and will lock up the tire if needed.
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thelowlife
XS650 Addict
Check out Pandemonium Choppers.. they have a set up for a Brembo brake system
I have just recently installed a couple of Brembo calipers. I made up my own adapter plates from 3/8" aluminum. The offset of the stock disks works just fine, i.e. no adapter required for the disks.
No testing done yet with the new calipers, but probably within a week or so.
No testing done yet with the new calipers, but probably within a week or so.
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CDNTX650
XS650 Guru
You might find it easiest to fit a master cylinder with a larger bore. Increasing the bore of the master cylinder while retaining the stock sized caliper would increase the PSI at the caliper.
Of course, doing that would most certainly require the stainless hose recommended by TwoJugs.
Of course, doing that would most certainly require the stainless hose recommended by TwoJugs.
gruff54
XS650 Enthusiast
RG,
What was the donor bike for your Brembo's? Thanks.
Mike
What was the donor bike for your Brembo's? Thanks.
Mike
CDNTX650
XS650 Guru
a ducati more more than likely. any 4 pots will be from a sbk or monster s4r.
C-Los SD
XS650 Addict
Pandemonium Choppers kit $36 and brembo caliper (2 pin style) from a Ducati with a stock rotor work great! Just make sure you match it with the proper master cylinder. I use this kit on both my XS's with the magura master that MikesXS sells and the stopping power is like a modern sportbike.
C-Los SD
XS650 Addict
That looks sweet. I'm interested in your rear setup if you want make some extral.
blackbetty
XS650 Junkie
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My understanding is that the smaller the bore, the higher the line pressure:
http://www.vintagebrake.com/mastercylinder.htm
I found that a 13mm worked best for a single 4 piston Brembo. The original dual caliper setup came from Brembo w a 16mm MC.
Here's my setup, it works AWESOME. Dan at pandemonium made the bracket for my 34mm front end.
They were used on Ducati models from 1999 to 2004. I bought mine from www.gothamcycles.com. They are the 4 piston type with 65 mm mounting bolt spacing.
I could be confused but because we're talking about bores at two different ends of the system, increasing master cylinder bore increases pressure at the caliper because it moves more brake fluid-- I think.
A smaller bore at the caliper would increase pressure at the caliper but it would also reduce braking forces as less fluid is being moved.
And please, if I'm confused, somebody school me.
bluebikerblan
Geezer
Hi TRG....I would, among others I'll bet, be really interested in one of your excellent write-ups of the conversions process you're going through once you've shaken things down. Assume you're doing front and rear on your 78 SE?
Best, Blue
Hey Blue, good to chat with you. Yes, the calipers are going on the front and rear. They are mounted on the bike now, and I just bled them to-day. I was originally planning on using just a 2 piston caliper on the back, but decided you can't have too much braking, so threw caution to the wind, and went with 4 piston front and rear.
I will be using my stock master cylinders and stock disks as a trial to see how it all works out.
I had lots of things removed from the bike over the winter, and still have not got them all back on yet. Once I get the carbs, fuel tank and exhausts re-mounted, I will do some riding and report how well Italian calipers work on a Japanese bike. Hopefully there won't be a clash of cultures
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turn left
Go Fast & Turn Left
Retiredgentleman, how's the clearance between the pads? Here's an excerpt from a different site that verified my concerns
http://sideburnmag.blogspot.com/2011/06/japanese-patient.html said:
Like everyone else, I am tossing around the idea of the Brembo upgrade for various reasons. My existing calipers and master cylinders need to be overhauled which adds up to more than an eBay Ducati takeoff.
turn left
Go Fast & Turn Left
Alright so pages 8 thru 11 of the Pandemonium Kit's install instructions answers my question. They advise filing the caliper rather than resurfacing the rotor.
http://www.xs650chopper.com/wp-cont...650-Brembo-Brake-Kit-HOW-TO-INSTALL-20111.pdf
Yes, to use the stock XS650 disk, you need to grind the calipers a little wider in the pad area. Widen them out to about 1/2" works fine and is easy to do.
dachillman
dachillman
ok so maybe i missed this in the thread, but where did you get the bracket to do the rear setup? This swap looks awesome! The only concern i have, other than i need to put SS lines, is that stock rotors are heavy, even if you drill them. Any thoughts on other aftermarket rotors that would still fit but would still cut theweight down? maybe with other rotors, you wouldnt need to file down the caliper to clear xs650 rotor?
Just my two cents. Best of luck. Like to know what you find out when you get yours going. Keep us posted!
Just my two cents. Best of luck. Like to know what you find out when you get yours going. Keep us posted!
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