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XJ-650 maxim rear brake question

Discussion in 'XJ Technical Chat' started by seaguy, May 31, 2019.

  1. seaguy

    seaguy Member

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    i installed new shoes while back and find that the actuator are has to move too much for the shoes to contact the drum surface. Pretty sure the drum wear is a bit excessive so that means a whole new wheel if you could even find one. I was wondering if it would be ok to make the arm’s cam surface a little thicker. Any fix ideas for this?
     
    seaguy, May 31, 2019
    #1
  2. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Did you adjust the brake rod and pedal height?
    Drum wear is highly unlikely, unless you have over 200,000 miles on the machine or have been using race-type shoes (which I'm not sure are even avaialble for the XJ).
    Wheels for the 650 Maxim are easy to find if it turns out that you need one.
     
    k-moe, May 31, 2019
    #2
  3. seaguy

    seaguy Member

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    Made all adjustments per Hanes book. Just noticed my drum insert is about 2 mm thick and what I see in pictures of others is most are around 5 mm thick. I just ordered the standard version ones on eBay (shoes) when I bought the bike. Old ones looked ok but still ...they were old. Maybe I’ll try to find a replacement wheel. Probably cost a fortune to have a new ring installed in the hub.
     
    seaguy, May 31, 2019
    #3
  4. Chitwood

    Chitwood Well-Known Member

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    Was this issue present with the old shoes?
     
    Chitwood, May 31, 2019
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  5. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Methinks that you were sent the wrong set of shoes. Unfortunately that is a very common problem.
    Just for clarity's sake. What is the diameter of the drum and the size of the tire?
    I'm sort of wondering if a prior owner may have installed a Seca wheel.
     
    k-moe, May 31, 2019
    #5
    Chitwood likes this.
  6. XJ550H

    XJ550H Well-Known Member Premium Member

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    there are a few shoe makers who sell extra thick shoes to compensate for worn drums
     
    XJ550H, May 31, 2019
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