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A few 1981 650 Maxim questions (front axle nut, fork oil)

Discussion in 'XJ Technical Chat' started by shhorn11, May 7, 2014.

  1. shhorn11

    shhorn11 New Member

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    Hello,

    1) What size is the front axle nut? I want to rebuild my forks but don't have the right socket size. I know 19mm in the back but that's too small for the front.

    2) Any way I can examine my bike and find out if it is specifically a 650 G, H, LH, J, or RJ?

    3) Any advice for using 10W/30 motor oil in the forks? I was surprised to see it was in the service manual - of course, I am a noob.

    Regards
     

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    shhorn11, May 7, 2014
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  2. MiCarl

    MiCarl Active Member

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    Re: A few 1981 650 Maxim questions (front axle nut, fork oil

    No help for you here on the nut size.

    An 81 XJ 650 Maxim is an XJ650H.

    The manual says you can use 10W30 motor oil or 10W fork oil. I doubt you'd notice any difference either way.
     
    MiCarl, May 7, 2014
    #2
  3. shhorn11

    shhorn11 New Member

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    Re: A few 1981 650 Maxim questions (front axle nut, fork oil

    Thank you, sir!
     
    shhorn11, May 7, 2014
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  4. rocs82650

    rocs82650 Well-Known Member

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    Re: A few 1981 650 Maxim questions (front axle nut, fork oil

    try 21mm.
     
    rocs82650, May 7, 2014
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