are the front and rear calipers the same? im ordering a rebuild kit and partzilla has a better shipment time than klr650.com. anybody know this for sure?

Hi, I have new rear brake pads but can not get them installed. I removed the caliper, installed the new pads but couldn't get a space for the rotor to fit between the pads. I think the piston was completely compressed in. I have spent much time searching the forum for help but all I can find...