rear brake disc source

[Trex]

Have twin stock discs up front and the disc rear on my special. Rear disc is grooved and I want to replace it but I'm not finding a stock one or matching sets front and rear. MMM has a nice set but 750$ for 3 discs is a bit rich for the build budget.
Is an xs1100 rear disc (yambits) the same as the 650 special stock disc?
Any help is appreciated
Travis

 

[Paulrxs650]

Ive used an XS750 rear disc on my Cafe Build. holes and centres are correct but Im not sure about the diameter compared to the original.

 

[retiredgentleman]

Just because your rear disc is grooved, does not mean it should be thrown out. If you have a drill press, you can re-surface the disc. Here is a link from out "Tech" section:

http://www.xs650.com/forum/showthread.php?t=37&page=4

 

[Trex]

Handy tool for the fronts...but my rear disc has deep grooves and a lip on the outer edge. Should be turned down but itll be easier to replace and safer in my mind. Would be left a bit thin for my taste.

 

[650Skull]

XS750 Special front and rear disks and i think the XS850 Special front and rear discs as well.

XS750/XS850 Special front discs are different from the XS750/XS850 standards

 

[Royboy]

Shouldn't be a problem turning your existing rear rotor down. The 78' SR500 rotors are 5mm. I've never understood why the XS rotors are so thick.

roy

 

[Trex]

So nobody knows anyone selling replacements? Seems several sights sell front rotors but no rears.

 

[Paulrxs650]

Just measured the XS750 rear and it's 265mm in diameter. They seemed to be more common to find than the XS650 ones, at least over here.
Hope this helps

 

[Royboy]

MMM sells an EBC rear rotor for $225. http://www.650central.com/
Call him, Email doesn't work so well with Michael.
roy

 

[650Skull]

Ebay XS850 Standard front rotors, (2), $50.00. will fit the rear for your XS