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  #1  
Old 4 Weeks Ago
Jer Jer is offline
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Default 2000+ rear brake on early rigid mount

I've just ordered a 2000+ left lower fork to update my front brakes, and I have been searching for information on upgrading from the single piston rear caliper on my 1991 xlh1200, and have come up with little to no info. Has anyone successfully updated their rear caliper to a 2000+ unit? If so, what was required? Any information related to this upgrade would be greatly appreciated.
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  #2  
Old 4 Weeks Ago
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The rear 4 piston calipers have a slot Ang the bottom that fits over a strut/bar that is welded to the inner portion of the swingarm as a torque stop for the caliper. It also allows the caliper to slide so you are able to adjust belt tension. I reckon if you have this piece on your swingarm and it is long enough, you should be fine. You might need the rear brake hose for the newer caliper. If you don't have the swingarm piece you may need to either get a later swingarm (replace the bearings while your in there) or get a 2000-2003 swingarm. That my best guess. Good luck!

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Since the front brakes do most of the work I'd invest in dual discs before molesting the rear if the goal is better stopping but the parts aren't expensive to do both.

Edsters advice to replace the bearings is wise because the stupid (but cheap, and HD puts cost reduction first) solid bushing arrangement is a downgrade from the early dual tapered roller Ironhead setup and wears out much quicker.
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