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Thread: Cheap jack rebuild

  1. #1
    Join Date
    Oct 2012
    Location
    STL area
    Posts
    595

    Default Cheap jack rebuild

    I am trying to fix a motorcycle jack pump.

    https://ae01.alicdn.com/kf/HTB1UnBgf...all-Piston.jpg

    Does anyone have a source for these? The outside of the cylinder is .5" and the piston groove is .275" inside and .2" long with a backing ring of .050" thick. The top seal is just a wiper. I've been looking at so many different sites I am about to give up and just use a Harbor Crap bottle jack in its place. The photo is not mine but close.



    So I post and I find it on E-bay.

    https://www.ebay.com/itm/Car-Vertica...AAAOSwMlNcRCNL
    Last edited by outlawspeeder; 08-25-2019 at 09:40 PM.

  2. #2
    Join Date
    May 2015
    Location
    Somerset UK
    Posts
    2,486

    Default

    You may be able to substitute a standard seal, or o ring if you know the dimensions. I presume the jack is fail safe in use, in that it will just lower the bike down to the floor if the jack leaks.

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