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Author Topic: my new cb750F1 broken rear caliper help  (Read 1081 times)

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Offline gty2k2000

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my new cb750F1 broken rear caliper help
« on: January 25, 2011, 10:25:59 am »
i just bought a cb750F1 1976 last sunday. the rear brakes were not working to great so i decided to bleed off the old fluid and sure enough the bleeder screew broke off so i tryed to drill it out and went to far and reuined the caliper does any one know were i can get a replacement for a decent price or does any one have one they would sell. this is my first motorcycle and i love it to death . so i realy want these problems resolvedplease help!
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Offline Duke McDukiedook

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Re: my new cb750F1 broken rear caliper help
« Reply #1 on: January 25, 2011, 10:36:07 am »
Could you possibly re-tap and screw in a larger bleeder valve?
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Offline gty2k2000

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Re: my new cb750F1 broken rear caliper help
« Reply #2 on: January 25, 2011, 10:47:24 am »
well the thing is that the bottom of a bleeder screw fits nicley into a concave crevices wich is machiened into the caliper when i was drilling out the old bleeder i went to far and drilled straight through this concave so now evan if i get a bleeder in there it wont seal so ive gotta either rig somthing up or gett a new caliper wich is proving to be impossible for me so far
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Offline Toxic

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Re: my new cb750F1 broken rear caliper help
« Reply #3 on: January 25, 2011, 10:55:46 am »
Well you will have to research what other years might work for you.

Presently there are quite a few on ebay but from later model cb750f's.

If that fails you are stuck calling the local cycle salvage yards.

Did you put a notice on the parts section of this forum?
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Offline gty2k2000

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Re: my new cb750F1 broken rear caliper help
« Reply #4 on: January 25, 2011, 11:17:09 am »
idk what i am going to do about this problem yeet i hope it doenst come down to ordering a new caliper over my own stupidity but if it does than well be it. i might just install a regular bolt with a broze crush washer and bleed out the air and the seal it it would just be sloopy but i think it may work
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: my new cb750F1 broken rear caliper help
« Reply #5 on: January 25, 2011, 11:25:55 am »
You won't order a new caliper - not available. What you need comes only on the 75 or 75 CB750F. Keep your post going, someone will find an old one for you but it may take a while. What shape are your 2 pistons in? Hope they're good as you might need those to rebuild a used one you might find. They are available I think and expensive X2. Rebuild stuff - Seals, dust covers, springs for dust covers are available. Get a Speed Bleeder for a replacement. Look for chart under Brake FAQ. Brake hose not available. master cylinder not available but rebuild kit is. That about covers it all.
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline gty2k2000

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Re: my new cb750F1 broken rear caliper help
« Reply #6 on: January 25, 2011, 12:49:18 pm »
no one has any sources for reman motorcycle caliper? is there evan such a thing or can i get a performance caliper?
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: my new cb750F1 broken rear caliper help
« Reply #7 on: January 25, 2011, 01:59:01 pm »
no and not without changing the whole rear setup. maybe a "reman" by an individual. be patient and keep looking. set up an Ebay search and notify.
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline bryanj

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Re: my new cb750F1 broken rear caliper help
« Reply #8 on: January 25, 2011, 10:53:14 pm »
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Offline bluesmoke69

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Re: my new cb750F1 broken rear caliper help
« Reply #9 on: January 26, 2011, 08:17:22 pm »
If the drilling out and installing of a new bleeder does not work let me know I may have an extra one from my 1976 CB750F.
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