Front and Rear Disk calipers: interchangeable?

[davem222]

Hi all. Sorry to post such a newbie question, but I'm a newbie First xs650 bobber build and I seem to be missing my rear brake caliper for disk brakes on my mag wheels. I have the mounting bracket that slides on the rear axle, but not the caliper itself. Finding them seems to be a bitch. Can I just use a caliper from a front wheel and mount it in the rear mount? Thanks.

Dave

 

[manofsteele]

It looks to me that it's the same caliper just different brackets. You should be good to go with a front one.

 

[TwoJugs]

Yes. Just different brackets.

 

[yamaman]

i thought i read somewhere the bleeder valves are in different spots, though that shouldnt be 2 much of a problem. cheers

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[davem222]

Hey thanks guys. I just bought one off ebay for $20. Sweet, now I will have front AND rear brakes. I feel like a millionaire! Quick question, I just opened the caliper that I have and the piston is all rusted. I can prob sand it down once I remove it, is that a bad idea? Should I just replace it? Grazi

Dave

 

[racerdave]

Depends on where it is "all rusted" at. If it's well below the oring seal you are ok. If the rust pits will travel over the bore seal, replace it.

 

[davem222]

Yeah, replacement may be necessary. It's seized in the caliper. Have it soaking in Pb blaster now but if I were a magic 8 ball, I would say "outlook not so good"

 

[jfinnan]

Bleeder valves are oriented a bit differently. See pics... You will notice the bleeder valves are oriented upright despite their mounting orientation front vs rear. Should still work fine though.