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Seca rear wheel on a Maxim?

Discussion in 'XJ Modifications' started by Robinwolfy, Dec 14, 2018.

  1. Robinwolfy

    Robinwolfy New Member

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    I'm looking at getting the 18" rear from a seca on my Maxim. Is there anything else I'm going to need to grab? Will the pumpkin match up? Brake drum?
     
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    yup it will swap seca brake shoes are wider than maxims so you will need proper shoes

    brake hub is the same
     
  3. Robinwolfy

    Robinwolfy New Member

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    Already need to replace my shoes, so perfect.
     
  4. bruceridesthestyrker

    bruceridesthestyrker New Member

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    is there any advantage to installing a seca 18 rear wheel to my maxim. will this lower my rpm's much on the highway?
     
  5. XJ550H

    XJ550H Well-Known Member Premium Member

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    yes you will get lower rpm at crusing speed slightly higher top end.



    120/90 18 is stock seca you may bee able to go to a wider tire
     
  6. 50gary

    50gary Active Member

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    Re: Highway cruising speed yes, about 4.9% lower RPM for stock size 120/90/18"
    If you opt for a 130/90/18" it would be about 7.37% lower RPM.
    Cheers, 50gary
     
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  7. 50gary

    50gary Active Member

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    Hi-jac
    I went to the moto-salvage yard today. $10.00 bought me a 16 x 3.00 rear wheel, swirl pattern and six bolt disc brake rotor compatible.
    Bolts are 8m x 1.25 pitch I think? I'd like to put a modern rotor on if I can find one that will match the bolt circle?
    Cheers, 50gary
     
  8. 50gary

    50gary Active Member

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    I just weighed the wheel I bought, without bearings, spacers, or the plastic dust cover it weighs 15#12.88oz. the bolt circle for the rotor is 116mm
    Cheers, 50gary
     
  9. Toomanybikes

    Toomanybikes Well-Known Member

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    So was that an xj1100 rear wheel?
     
  10. 50gary

    50gary Active Member

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    I don't know, the wheel was not attached to a bike, just in a rack along with a hundred others? It has the disc brake mounting holes and the same size 3.00" x 16" I did get the bolt circle wrong it's 80 mm NOT 116 mm. I tried to edit my error but the edit option was gone. I will have to make an adapter to mount a modern rotor which does have the 116 mm bolt circle.
    Cheers, 50gary
     
  11. 50gary

    50gary Active Member

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    Sorry for the late reply but it took me a while to find the matching wheel on ebay. Yes it's an XJ1100 1982 six bolt disc brake. The splines are the same but the depth spacing is reversed on the drive hub.
    Cheers, 50gary
     

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