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Author Topic: Brembo Brakes cb750  (Read 42321 times)

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Offline cafe750

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Re: Brembo Brakes cb750
« Reply #75 on: April 09, 2009, 01:11:47 PM »
I've got an  EBC rotor on the way, if you're lucky, the distributor will have 'em in stock, but I put my order in about 10 minutes too late, and someone had already snapped up the few he had left. Sooo, Three weeks later, the distributor's rep called me to tell me its on the way. Turns out the cast centers were what the holdup was....I'll be bolting the rotor up on my '75 cb750F and my '73 K to see if its compatible with both styles of brake caliper...I'll report back when I know more...
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"It's an old motorcycle, the wind is supposed to blow your head around, it's supposed to leak oil, the brakes should suck, and every now and then, it should scare you so bad you piss your pants."



Roy, Washington

Offline 754

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Re: Brembo Brakes cb750
« Reply #76 on: April 09, 2009, 09:54:22 PM »
They have a cast middle. ??? :o

Suddenly they dont look as interesting...
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Offline Jim F

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Re: Brembo Brakes cb750
« Reply #77 on: April 10, 2009, 05:30:49 AM »
Quote from: Toxic on April 08, 2009, 10:52:03 AM
Quote from: ev0lution7 on April 07, 2009, 06:36:28 PM
did you see my EBC rotor that you can get from dyno man i'm going to get mine and use it with the stock caliper i'm using EBC pads and braided lines and i rebuilt my stock M/C and used new dot4 synth fluid

The Rotor is 199.99 from DYNOMAN.com

Besides this rotor from Dynoman is there a 320mm rotor from another bike that will bolt up to our 750 hubs?   I have a set of R1 calipers left over from a V-Max project that I would like to use.

The Rotors on the Honda are from a RC51 and are 320mm but you have to make adapters to make them fit
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Offline stueveone

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Re: Brembo Brakes cb750
« Reply #78 on: April 11, 2009, 05:51:44 PM »
Quote from: cafe750 on April 09, 2009, 01:11:47 PM
I've got an  EBC rotor on the way, if you're lucky, the distributor will have 'em in stock, but I put my order in about 10 minutes too late, and someone had already snapped up the few he had left. Sooo, Three weeks later, the distributor's rep called me to tell me its on the way. Turns out the cast centers were what the holdup was....I'll be bolting the rotor up on my '75 cb750F and my '73 K to see if its compatible with both styles of brake caliper...I'll report back when I know more...

Great. So no one knows off hand if there is a significant difference in brakes as per the 69-76 and 77-78? Yeah, I'm on the edge of my seat to see if it will work for an early 750 k. Man, I'd be so happy for a rotor that doesn't suck balls. If it doesn't work, I think I might just have to get with my parts manufacturer and make something up.
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ev0lution7

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Re: Brembo Brakes cb750
« Reply #79 on: April 11, 2009, 06:32:33 PM »
i'm not sure but it seems like the center was just a hair different... ??? maybe one of the early 750 guys could say better...
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Offline cafe750

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Re: Brembo Brakes cb750
« Reply #80 on: April 11, 2009, 07:11:00 PM »
Quote from: stueveone on April 11, 2009, 05:51:44 PM
Quote from: cafe750 on April 09, 2009, 01:11:47 PM
I've got an  EBC rotor on the way, if you're lucky, the distributor will have 'em in stock, but I put my order in about 10 minutes too late, and someone had already snapped up the few he had left. Sooo, Three weeks later, the distributor's rep called me to tell me its on the way. Turns out the cast centers were what the holdup was....I'll be bolting the rotor up on my '75 cb750F and my '73 K to see if its compatible with both styles of brake caliper...I'll report back when I know more...

Great. So no one knows off hand if there is a significant difference in brakes as per the 69-76 and 77-78? Yeah, I'm on the edge of my seat to see if it will work for an early 750 k. Man, I'd be so happy for a rotor that doesn't suck balls. If it doesn't work, I think I might just have to get with my parts manufacturer and make something up.

Steuve..If that's your bike in your avatar and you're the guy I'm thinking of, I'll see you Wednesday night up in Ballard...and you'll get to see the rotor first hand...
« Last Edit: April 11, 2009, 07:12:51 PM by cafe750 »
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"It's an old motorcycle, the wind is supposed to blow your head around, it's supposed to leak oil, the brakes should suck, and every now and then, it should scare you so bad you piss your pants."



Roy, Washington

Offline stueveone

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Re: Brembo Brakes cb750
« Reply #81 on: April 12, 2009, 10:02:56 AM »
I don't recognize the bike "cafe750". Who is this?
You talking about Backfire in Ballard? Where and what time?
I'll see you there! Hopefully the weather isn't as #$%* as it is today. .  .
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Offline cafe750

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Re: Brembo Brakes cb750
« Reply #82 on: April 13, 2009, 06:16:05 AM »
Yep, Backfire in Ballard, I'll be up there around 7 or so, and the weather is supposed to be glorious...This Pete, the asian guy from down south, that first ran into ya when you were still bartending...
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"It's an old motorcycle, the wind is supposed to blow your head around, it's supposed to leak oil, the brakes should suck, and every now and then, it should scare you so bad you piss your pants."



Roy, Washington

Offline stueveone

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Re: Brembo Brakes cb750
« Reply #83 on: April 13, 2009, 09:53:25 AM »
Ahhh Pete! Thought it might have been you. Cool man. See you on Wed.
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ev0lution7

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Re: Brembo Brakes cb750
« Reply #84 on: April 13, 2009, 10:21:00 AM »
can you send some pics of the EBC rotor installed??
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Offline cafe750

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Re: Brembo Brakes cb750
« Reply #85 on: April 14, 2009, 01:32:07 PM »
I'll glue it on tonight, and taketh some pictures....
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"It's an old motorcycle, the wind is supposed to blow your head around, it's supposed to leak oil, the brakes should suck, and every now and then, it should scare you so bad you piss your pants."



Roy, Washington

Offline cafe750

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Re: Brembo Brakes cb750
« Reply #86 on: April 15, 2009, 03:30:18 PM »
I haven't yet taken pictures, but I can say that the EBC rotor works. Reeeallly well. After a few quick stops to  scrub in the rotor, I gave the brake lever a quick hard squeeze and was able to lock up the front wheel, with old crummy stock lines. Stainless lines and a freshly built caliper are going on this weekend. I don't think I'll need a second disc after that...
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"It's an old motorcycle, the wind is supposed to blow your head around, it's supposed to leak oil, the brakes should suck, and every now and then, it should scare you so bad you piss your pants."



Roy, Washington

ev0lution7

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Re: Brembo Brakes cb750
« Reply #87 on: April 15, 2009, 04:44:36 PM »
SEEEEEEE I have been saying this all along... my 04 harley 1200C has a SINGLE disk with a single piston caliper and a drilled rotor and DAM that thing can stop!!!!!

so this has been my thought the whole time since i first seen this rotor it seemed MUCH better than just cross drilling a HEAVY junk of our soo called stock rotor.... now i cant wait ti'll i get mine!!! since i have a rebuilt caliper steal braided lines and a rebuilt master cycl OH and my EBC pads!!!
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Offline pedro750

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Re: Brembo Brakes cb750
« Reply #88 on: April 23, 2009, 01:26:47 AM »
This's my last Brembo's breake system project:
-double 320 mm airon-cast discs,













-old 2 pistons Brembo's calipers (from BMW), I'm near to be ready with the mounting suports.

- PT billet radial brake pump (19 mm).

Next week other pictures.
« Last Edit: April 23, 2009, 01:31:39 AM by pedro750 »
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Offline pedro750

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Re: Brembo Brakes cb750
« Reply #89 on: April 25, 2009, 01:39:27 AM »
Quote from: fishhead on April 23, 2009, 05:15:16 AM
Quote from: pedro750 on April 23, 2009, 01:26:47 AM
This's my last Brembo's breake system project:
-double 320 mm airon-cast discs,



-old 2 pistons Brembo's calipers (from BMW), I'm near to be ready with the mounting supports.

- PT billet radial brake pump (19 mm).

Next week other pictures.


NICE!!

 Now your talking my language!
 Do you know anything about the Brembo MQ discs you have? Like what makes them different from the other Brembo discs?

http://www.geocities.com/fischervintagecycle/Fischheads.html

I have seen for a long time your works and I saw that you have already worked with the disk as my own.
At home I have a lot kinds of discs, I studied and I saw that the brembo are better for power measurements and weight.
These discs are made of cast iron and are floating, working with organic pads, they give the best result feeling-power braking.
Now I'm working on the supports for the calipers,

 curiosity: what kind of aluminium do you use?
Now I'm working with Al6082 anticorodal.
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Offline stueveone

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Re: Brembo Brakes cb750
« Reply #90 on: April 29, 2009, 06:02:27 PM »
Hot action! Just got the EBC Rotor. I was able to source it through a vendor. This thing is AWESOME!!! I had to take a hacksaw and cut the bottom edge of each brake pad to get the new rotors hollow pins to clear. Outside of that. Straight bolt on. I'm waiting to get some good stops going on it (I've only got about 20 or so from about 20mph). But stopping power seems way more solid. AND IT DOESN"T SQUEEL!!!! I'll keep you guys updated as I get more info. ..

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ev0lution7

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Re: Brembo Brakes cb750
« Reply #91 on: April 29, 2009, 07:04:49 PM »
is that EBC rotor in a early 750??? (70...?)
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Offline cafe750

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Re: Brembo Brakes cb750
« Reply #92 on: April 29, 2009, 08:39:58 PM »
Stevie,
So all you had to do was slightly clearance the pads, so that they'd clear the rotor pins? Roughly how much? I haven't yet had time to bolt it onto my '73 to find out....
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"It's an old motorcycle, the wind is supposed to blow your head around, it's supposed to leak oil, the brakes should suck, and every now and then, it should scare you so bad you piss your pants."



Roy, Washington

fuzzybutt

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Re: Brembo Brakes cb750
« Reply #93 on: April 29, 2009, 08:51:16 PM »
i've been looking at one of those rotors for my k4 frankenbike too.
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Offline stueveone

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Re: Brembo Brakes cb750
« Reply #94 on: April 29, 2009, 11:59:14 PM »
Yes, yes, and yes. 1974 CB750. All you have to do is notch out a small amount on your brake pads to clear the hollow pins. Works like a champ. Although, I wasn't happy with my cutting job: could have left a bit more pad (and there's not much to begin with) and also want to radius it rather than cut a straight line also allowing for more pad surface.
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Offline HavocTurbo

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Re: Brembo Brakes cb750
« Reply #95 on: May 01, 2009, 09:30:41 AM »
Nice to know that they'll fit with minor modification.

Also- I have these available as well.
Free shipping.

EBC Standard Brake Rotors

75-76 CB750F 
77-78 CB750K
Front or Rear: $189.99

The only downside is they'll immediately be put on back order.
So if there's enough of a demand, maybe they'll ship em faster.

I'll discount the pads also with the rotor purchase. None of which will be on back order.

75-76 CB750F Front: $28.00 pair / Rear Pads: $25.00
77-78 CB750K Front: $28.00 pair / Rear Shoes: $35.00


For what it's worth.
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ev0lution7

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Re: Brembo Brakes cb750
« Reply #96 on: May 01, 2009, 11:27:00 AM »
so explain this back order thing if they are back ordered how did you guys get yours?? were do i go to get mine asap?
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Offline lordmoonpie

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Re: Brembo Brakes cb750
« Reply #97 on: May 01, 2009, 12:09:22 PM »
Quote from: stueveone on April 29, 2009, 11:59:14 PM
Yes, yes, and yes. 1974 CB750. All you have to do is notch out a small amount on your brake pads to clear the hollow pins. Works like a champ. Although, I wasn't happy with my cutting job: could have left a bit more pad (and there's not much to begin with) and also want to radius it rather than cut a straight line also allowing for more pad surface.

Errr, but when your pads wear down won't the bottom part of the pad then start to contact the buttons again? Wouldn't want to find out under braking from speed what happens when a pad clouts a button! May be worth checking before you find out for real...
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Offline stueveone

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Re: Brembo Brakes cb750
« Reply #98 on: May 01, 2009, 12:38:41 PM »
I cut the brake pads all the way down to the metal backing plate, thus I've got the entire life of the pad to wear through before button clearance becomes an issue. And brakes are routine maintenance and should be inspected frequently. So I'll know long before it's "oh #$%*" time.
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Offline lordmoonpie

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Re: Brembo Brakes cb750
« Reply #99 on: May 02, 2009, 12:09:28 PM »
Best keep cheking to stay safe - you don't want the backing metal to clout those buttons!
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