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FJR Motorcycle Forums
Technical & Mechanical Problems
Front Brake Caliper rebuild
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<blockquote data-quote="Fred W" data-source="post: 1128166" data-attributes="member: 3828"><p>Not something you'll wanna do. It's easy enough to get the pistons and seals out without splitting. If your hands are that big bring in some small hands help for those critical seals. Probably be easier than all the effort to disassemble them. And I'm not sure how I'd feel about them upon re-assembly. </p><p></p><p>I guess if I had a caliper so messed up it needed to be broken in half I'd look for replacement ones. But I still have a suspicion that if you cleaned the pistons up well they'd be good to go.</p><p></p><p>As does the first gen. 4 pistons per caliper.</p><p></p><p>The big difference is the 1st gens have 2 pistons on each side of each front caliper working on a bigger pad (on each side). The 2nd Gens (and later) they split the big 1st gen front pads in half (probably so that they could have one pair of 1/2 sized pads dedicated to the rear linked braking) so there are now 4 separate pad pairs in the front. One piston per pad</p></blockquote><p></p>
[QUOTE="Fred W, post: 1128166, member: 3828"] Not something you'll wanna do. It's easy enough to get the pistons and seals out without splitting. If your hands are that big bring in some small hands help for those critical seals. Probably be easier than all the effort to disassemble them. And I'm not sure how I'd feel about them upon re-assembly. I guess if I had a caliper so messed up it needed to be broken in half I'd look for replacement ones. But I still have a suspicion that if you cleaned the pistons up well they'd be good to go. As does the first gen. 4 pistons per caliper. The big difference is the 1st gens have 2 pistons on each side of each front caliper working on a bigger pad (on each side). The 2nd Gens (and later) they split the big 1st gen front pads in half (probably so that they could have one pair of 1/2 sized pads dedicated to the rear linked braking) so there are now 4 separate pad pairs in the front. One piston per pad [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Front Brake Caliper rebuild
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