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Thread: GB500 - New rear brake issue

  1. #1
    Join Date
    2nd December 2009 - 11:51
    Bike
    GB500 1987
    Location
    Auckland
    Posts
    5

    Unhappy GB500 - New rear brake issue

    I am trying to install new rear brakes into a GB500 but the things don't seem to want to go into the Hub.... there a fraction too thick?
    Any ideas? Should i Sand/Grind them slightly to fit (might get the uneven though)??
    ANy help much appreciated...
    Can post here or email me dwhi026@gmail.com
    The parts are from ThumperStuff and they are the right bits.

    thanx in advance
    don

  2. #2
    Join Date
    2nd April 2007 - 20:22
    Bike
    BMW K100RS
    Location
    Woodville
    Posts
    191
    Should never have to grind/sand them down to fit if they are the correct shoes. How do they look in the drum if you just sit them in ( without being attached to the backing plate). Have you actually removed the backing plate, ie disconnected the brake actuating cable (or rod, I can not recall the GB setup) If every thing is dis-attached from the backing plate it should go in snugly. Is there a bit of a lip on the outer edge of the drum? If so that will make it harder, the lip can be sanded/ scraped off to make it easier. If it still don't fit then I would suggest that the shoes are either incorrect or oversized.

  3. #3
    Join Date
    16th September 2004 - 16:48
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    PopTart Katoona
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    CT, USA
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    6,542
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    wash the drum out. Or airblast (ALWAYS WEAR PROTECTION)
    bloody things love to cake up the dust in there.
    Reactor Online. Sensors Online. Weapons Online. All Systems Nominal.

  4. #4
    Join Date
    26th February 2005 - 15:10
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    Ubrfarter V Klunkn,ffwabbit,Petal,phoebe
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    Has the cam been plated ? Or the fulcrum sleeved or wired? If so, remove same (may have to use thinner plates on the cam)

    They should fit without sanding or grinding. Grinding shoes takes very specialised machinery, you can't do it by hand.

    Check the drum for concentricity it may be oval.
    Quote Originally Posted by skidmark
    This world has lost it's drive, everybody just wants to fit in the be the norm as it were.
    Quote Originally Posted by Phil Vincent
    The manufacturers go to a lot of trouble to find out what the average rider prefers, because the maker who guesses closest to the average preference gets the largest sales. But the average rider is mainly interested in silly (as opposed to useful) “goodies” to try to kid the public that he is riding a racer

  5. #5
    Join Date
    2nd December 2009 - 11:51
    Bike
    GB500 1987
    Location
    Auckland
    Posts
    5

    Rear Brake Sorted

    Hi Guys
    Thanx for the excellent replies.... the shoes are too big...too much metal on the CAM end even when i sit them in the drum they fit but bugger all room.
    The drum was sand blasted...it's all neat and tidy...
    i'll get some more Shoes and try them, for now i put the old ones back to get the beast on the road, i guess i could always get the old ones recond'd.

    Anyway.. i learnt a bit from your replies...i think the CAM has been fattened out so will take a look at that next week when i get the wheel off again.

    cheers all...MY GB is on the road...just wanting some good rear brakes the FIT

    don

  6. #6
    Join Date
    2nd December 2009 - 11:51
    Bike
    GB500 1987
    Location
    Auckland
    Posts
    5
    Thanx..all really useful info...much appreciated..

  7. #7
    Join Date
    2nd April 2007 - 20:22
    Bike
    BMW K100RS
    Location
    Woodville
    Posts
    191
    Go to any bike shop and get them to get you a set of VB-133 Vesrah brake shoes from Darbys, they are a common enough shoe, they fit all these models
    VB-133 HONDA VT250C V Twin Magna 94-95 R Street

    HONDA VT250C V Twin Magna 97 R Street

    HONDA VT250C V Twin Magna S 96-98 R Street

    HONDA GL400 77-80 R Street

    HONDA NV400C Steed 88-90 R Street

    HONDA NV400C Steed 92 R Street

    HONDA NV400C Steed 93-97 R Street

    HONDA NV400CB Steed VLX 98 R Street

    HONDA NV400CM Steed 96-97 R Street

    HONDA NV400CS Steed VLS 98 R Street

    HONDA NV400CV Steed 95-96 R Street

    HONDA CB500 (PC26/G555) 94-96 R Street

    HONDA CX500 78 R Street

    HONDA CX500 Custom (PC01) 79-81 R Street

    HONDA CX500 Custom (PC03) 82 R Street

    HONDA CX500C Custom 79-80 R Street

    HONDA CX500C Custom 81 R Street

    HONDA CX500C Custom 82 R Street

    HONDA CX500D Deluxe 79-80 R Street

    HONDA CX500D Deluxe 81 R Street

    HONDA GB500 Club Man (PC16) 91-93 R Street

    HONDA GL500 Silver Wing 81-82 R Street

    HONDA GL500I Silver Wing Interstate 81-82 R Street

    HONDA VF500C V30 Magna 84-85 R Street

    HONDA NV600C Steed 88-92 R Street

    HONDA NV600C Steed 93-96 R Street

    HONDA VT600 Shadow (PC16 PC21) 93-98 R Street

    HONDA VT600 Shadow (PC21) 88-92 R Street

    HONDA VT600C Shadow VLX 88-89 R Street

    HONDA VT600C Shadow VLX 91-93 R Street

    HONDA VT600C Shadow VLX 94-03 R Street

    HONDA VT600CD Shadow VLX Deluxe 93 R Street

    HONDA VT600CD Shadow VLX Deluxe 95-03 R Street

    HONDA VT600CD2 Shadow VLX Deluxe 99-03 R Street

    HONDA CB650SC Nighthawk 83-85 R Street

    HONDA CX650C Custom 650 83 R Street

    HONDA GL650 Silver Wing 83 R Street

    HONDA GL650I Silver Wing Interstate 83 R Street

    HONDA VF700C Magna 84 R Street

    HONDA VF700S Sabre 84-85 R Street

    HONDA VT700C Shadow 700 84-85 R Street

    HONDA CB750 Nighthawk 750 91-03 R Street

    HONDA GL750 83 R Street

    HONDA NAS750 Nighthawk 750 91 R Street

    HONDA NV750C 83 R Street

    HONDA VF750C V45 Magna 82-83 R Street

    HONDA VF750S V45 Sabre 82-83 R Street

    HONDA VT750C Shadow 750 83 R Street

    KYMCO Venox 250 Custom (RA50AA)

  8. #8
    Join Date
    2nd December 2009 - 11:51
    Bike
    GB500 1987
    Location
    Auckland
    Posts
    5

    Thanx RobinM

    Good list of Bikes for the Brake...thanx a lot....have got some from Red Baron..picking up tomorrow

    don

  9. #9
    Join Date
    2nd December 2009 - 11:51
    Bike
    GB500 1987
    Location
    Auckland
    Posts
    5
    Hi All
    As a last entry for this, i whipped off the Rear wheel a couple of nights ago and rechecked things as you had all mentioned here. Turned out the Cam was sleeved for the previous brakes, when removed the new set fitted easy... cheers all...i'm on the Road...only the Tank, Side Covers to paint and Engine to polish!

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