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Fork oil changed

Discussion in 'XJ Technical Chat' started by mikeg, Apr 19, 2009.

  1. mikeg

    mikeg Member

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    Well, I got the fork oil changed without any problems. YAY!!

    I do have one question though. The old fork oil was red, the stuff I put in was a blue-green. The stuff I put in was 10wt fork oil. Was the old stuff heavier or something all together different?

    thanks,
    mikeg
     
  2. CMoney

    CMoney Member

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    Mikeg,

    My guess is the red fluid was probably synthetic. I know Red Line uses different color codes for their fork oil, and 10 wt happens to be red, but I don't know if that's standard.

    Cal
     
  3. Robert

    Robert Active Member

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    Some folks use automatic transmission fluid for fork oil...
     
  4. Danilo

    Danilo Member

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    Old Style Damper Rods forks (these ones :lol: "should" be filled with ATF imo. And not just ANY atf but Mobil 1 ATF (and only Mobil 1 atf) is THE single best improvement one could possibly make to these old forks (assuming they are /were recently rebuilt and in excellent health)..IF ..one is after a palpable performance improvement. Interestingly the Mobil is 'alegedly' 7.5 W. But in the measurements/tests used for shock loadings it's roughly equivalent to a V good brand of 20w "fork" oil. Well worth dumping Whatever you just poured in .
    Enjoy :D
     
  5. ktcubed

    ktcubed Member

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    I'm sorry Danilo, could you say that again in english. Sounded like you said we should put on old style damper rods for our forks.
     
  6. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    I just rebuilt mine this weekend too. The new fluid I used was also green (Bel-Ray 15W IIRC) but I was using an old bottle of a different brand, same weight, as "assembly lube" (rather than dipping my finger in the brand new stuff) and it was red. I think it's just a case of different brands.
     

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