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  1. #1
    Junior Member

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    Default Sportster fork oil

    So I just bought a TC BROS 8Ē over fork kit (39mm) for my sportster. I got everything pulled apart and cleaned and ready to go. I just donít know what weight fork oil I should use? I also bought some Progressive springs for them. Iíve read a couple of different forums and Iíve seen most online guys (lowbrow and Tc) only sell 20w. That seems pretty stiff.

  2. #2
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    Default

    20 weight is a little higher rating than the stock H-D oil, but I used it in every modern H-D fork I serviced (except the Buell forks) and I never had one complaint. You will be fine with that.

    Jim

  3. #3
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    Quote Originally Posted by JBinNC View Post
    20 weight is a little higher rating than the stock H-D oil, but I used it in every modern H-D fork I serviced (except the Buell forks) and I never had one complaint. You will be fine with that.

    Jim
    Does it matter the brand as long as it is fork oil?
    Would hydraulic oil, or maybe tranny fluid work, I'd believe compatibility with the seals could be an issue.
    HD has a type "E" that I use now in my '91 Ultra.

  4. #4

    Default

    Dump elmers glue in there. I use straight 30 wt. weld up the bleed holes on the damper tube.

    Kb

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