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Softail Brembo upgrade
I's doing it.
I decided to get new parts, as brakes are pretty important and I didn't want to use parts that I wasn't sure about. So I got the rotor from a V-Rod, the caliper from a Touring bike, and an 11/16" bore master cylinder from an FXDX. Part numbers needed so far..... CALIPER ASSY, LH, BLK, FRT, BRAKE 43027-08 BRAKE DISC, FRT, FLOAT/BLACK 44405-07 MASTER CYLINDER ASSY, FRONT DUAL BLACK 45013-96D BANJO-BOLT BLEEDER ASSY 41783-08 BOLT, BANJO 41747-82A BLEEDER CAP 42853-06 SCREW, PAN HEAD TORX 3655A (need 5) GASKET, BRAKELINE 41751-06A (need 2) GASKET 41731-01 (need 2) BOLT, LOWER CALIPER MTG. 44160-00 (need 2) It's important to note that the Brembo calipers DO NOT work with DOT 5 fluid, so you have to change the front of the bike to DOT 4. Mixing DOT 4 and DOT 5 makes for a jelly-like muck, so I'm changing everything out. No, it's not the cheapest way, but it's the way I'm comfortable doing it. Add brake fluid, and the above is everything you need to completely replace your front brake system, other than the brake line. Mine's custom, so I won't be going the H-D route with it. The line attaches further towards the top of the Brembo caliper than it does on the stock one, so the length and fitting angle may be off with a stock line. I'll post up what I find. The only things that get reused are the brake line retention clips (one on the top tree with the chassis ground, one under the lower tree), and the clamp that holds the master cylinder to the bars. A new master cylinder comes with a lever and all the guts, a new caliper comes with pads. In theory, you could keep the stock 9/16" bore master cylinder and the stock rotor, and just upgrade the caliper. But you'd be missing a little bit of surface area for the pads to bite into if you kept the stock rotor. And even if you rebuilt your master cylinder and got all the DOT 5 out, you'd still have a small piston pushing the fluid into the larger caliper. I want this thing to stop as well as it can, so I'm going all the way. I got the stock hydraulic system off tonight and put the new master cylinder on. Tomorrow, I'll swap the rotors and put the new caliper on.
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You might be a king or a lowly street sweeper, but sooner or later you dance with the reaper. Make Doof Clenas Fun Again (MDCFA) Last edited by Killer of Bikes; 12-08-2012 at 10:40 PM. |
#2
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if you haven't thrown a hammer or cursed, its not on right....just so you know....
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BAAAA BAAA BAAA "Blame Russ in 2012" "Can We Still Blame Russ in 2013" who's to blame in 2014? OH THIS IS SO NOODLES FAULT Chitty Chitty |
#3
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Nice, the DOT4 change is worthwhile by itself. DOT5 doesn't like altitude changes. I've had to bleed my wife's brakes on her Sportster after every trip into the mountains as the entrained air comes out of solution.
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ISAIAH 6:1-9 ____________________________________________ for Dana Separated at birth? You decide
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#4
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Is that a touring caliper?
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------------------------------------------------ I know you think you understood what I said, but I'm not sure you realize that what you heard is not what I meant." [
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#5
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If you haven't ever had those rotors off, have Dana log the number of times you say "FVCK!" while trying to break the bolts loose. Also note the start/finish time for our collective amusement.
Heat is your friend. Well, right up to melting the grease in the sealed bearings...
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Just another damn "Dave" Decidedly unpleasant, does not play well with others. Fluent in Pidgin Cigar Spanish. http://sherlynpopelka.net/ Revelation 19:11 And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war. *Usual manly disclaimer applies, if applicable.
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#6
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And I don't know if those forks clamp the axle on one side like the touring bikes do, but if so, DO NOT hit the brake lever until it's all aligned/centered and tightened, or your brakes will be likely todrag. Unless the Brembo's are better at self centering than the old brakes. Do the Brembos at least have boots on the pistons?
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Just another damn "Dave" Decidedly unpleasant, does not play well with others. Fluent in Pidgin Cigar Spanish. http://sherlynpopelka.net/ Revelation 19:11 And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war. *Usual manly disclaimer applies, if applicable.
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#7
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Quote:
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ISAIAH 6:1-9 ____________________________________________ for Dana Separated at birth? You decide
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#8
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I've had the rotors on and off before; I use Blue rather than Red LocTite to make it a tad easier. I'll have to look at the caliper, but I believe there's a boot on the pistons.
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You might be a king or a lowly street sweeper, but sooner or later you dance with the reaper. Make Doof Clenas Fun Again (MDCFA) |
#9
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Quote:
jus sayin...
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Dave................... Some Mornings I Wake Up Grouchy.....others, I Let Her Sleep |
#10
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I saw that bike on SOA last night
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------------------------------------------------ I know you think you understood what I said, but I'm not sure you realize that what you heard is not what I meant." [
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#11
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Quote:
Heat should always be applied when red locktite is used if possible. |
#12
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It should help keep the garage warm too!
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------------------------------------------------ I know you think you understood what I said, but I'm not sure you realize that what you heard is not what I meant." [
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#13
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Don't forget the tin snips
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#14
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Alan "I want to live and ride free, unencumbered by all but God's love." ~ Red Rider
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#15
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I sorta took it for granted.
Sent from my DROID RAZR
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Tim Ancient '79 FXS w/ probably about the same HP as a tractor Equally ancient '79 Massey Ferguson 255 Somewhat dilapidated, yet functional, Kubota L2500 '20 Branson 3620 '18 Ram 3500 Diesel '02 Wrangler X, 4" lift on 33 x 12.50s Wilderness Systems Tarpon 140 Felt Nine 50 Killin' more bees than Monsanto . . |
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