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Well, an update to my rear brake situation:
The original master cylinder seemed to be working fine for me, but a pitted rear caliper piston came back to haunt me a few weeks ago, the caliper was gunky and dragging. I ended up installing a new stainless steel piston and new seal, that all seems fine now. *HOWEVER* when I went to bleed the brake there must have been a full moon, because boy did that re-open a can of worms. I could not get the thing to move fluid for the life of me. I finally figured out a way to get it to bleed (some air trapped in the master cylinder perhaps), and then discovered my repaired master cylinder was leaking again. I had bought a spare off of Ranger_xs1100, it obviously also needed a full going through, the bore is only slightly(?) better than what came off my '79. I tried simply popping the new rebuilt piston into the spare M/C, but at this point I'm still having leakage at the M/C past the piston seals. I ordered up another rebuild kit, this time a K&L, I will try to give the spare M/C a light going over of the bore with some 800/1000 grit sand paper and hope for the best. Boy is it frustrating to have to redo the same job 3, 4, 5? times!
Even with my leaking M/C issues aside, I swear I've never struggled so much to get a brake to bleed as this rear setup on the XS1100. Not sure if there's something about the m/c reservoir sitting lower than the caliper or what might cause so much grief!
The original master cylinder seemed to be working fine for me, but a pitted rear caliper piston came back to haunt me a few weeks ago, the caliper was gunky and dragging. I ended up installing a new stainless steel piston and new seal, that all seems fine now. *HOWEVER* when I went to bleed the brake there must have been a full moon, because boy did that re-open a can of worms. I could not get the thing to move fluid for the life of me. I finally figured out a way to get it to bleed (some air trapped in the master cylinder perhaps), and then discovered my repaired master cylinder was leaking again. I had bought a spare off of Ranger_xs1100, it obviously also needed a full going through, the bore is only slightly(?) better than what came off my '79. I tried simply popping the new rebuilt piston into the spare M/C, but at this point I'm still having leakage at the M/C past the piston seals. I ordered up another rebuild kit, this time a K&L, I will try to give the spare M/C a light going over of the bore with some 800/1000 grit sand paper and hope for the best. Boy is it frustrating to have to redo the same job 3, 4, 5? times!
Even with my leaking M/C issues aside, I swear I've never struggled so much to get a brake to bleed as this rear setup on the XS1100. Not sure if there's something about the m/c reservoir sitting lower than the caliper or what might cause so much grief!
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