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Wanted - Auto advance mechanism arms.

Discussion in 'Classifieds' started by Alex Wagers, Dec 11, 2017.

  1. Alex Wagers

    Alex Wagers XS650 Enthusiast

    If anybody has a set of the arms only on the auto advance mechanism that’s all I need. Really don’t want to buy the complete auto assembly off mikes and I’ve searched eBay with no luck. Thanks guys. Off a 1980.
     
    gggGary likes this.
  2. timbeck

    timbeck XS650 Junkie XS650.com Supporter

    No advance arms on a 1980................Do you have points or a TCI ???
     
  3. Alex Wagers

    Alex Wagers XS650 Enthusiast

    Upgraded to Pamco I should have been more clear. Just the standard ignition.
     
  4. Alex Wagers

    Alex Wagers XS650 Enthusiast

     
  5. Alex Wagers

    Alex Wagers XS650 Enthusiast

    I accidentally overtighted the 10mm nut on the right side of the advance rod and broke the arms. Stupid mistake still kicking myself for it.
     
  6. azman857

    azman857 '80 XS 650SG Rider Top Contributor

    Things happen. The sun will rise and fall.
     
    robinc likes this.
  7. grizld1

    grizld1 Grumpy old man Top Contributor

    The main advance governor parts are the following. 1. Rotor: the piece that mounts on the camshaft, with two tabs that stop the advance weights and two posts on which the bob weights rotate. 2. Bob weights. There are no separate "arms." Do you need the rotor?
     
  8. Alex Wagers

    Alex Wagers XS650 Enthusiast

    Any help on where I could find just those 2 pieces would be greatly appreciated. The springs, clips and the rest of the mechanism is in perfect shape. I’ve checked eBay and my only other option I’m seeing right now is ordering a whole new auto advance assembly off mikesxs for $78 (which I havent heard the best reviews about).
     
  9. halfmile

    halfmile XS650 Junkie Top Contributor XS650.com Supporter

    858
    2,086
    243
    kansas
    These are off of a 1979 points ign, Is this all you need?
    advance weights 004.JPG
     
  10. Alex Wagers

    Alex Wagers XS650 Enthusiast

  11. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

    FYI, the broken flyweights in your pic above are from MikesXS advance unit.

    A good heads-up, though. Those flyweights look like brittle castings...
     
    weekendrider likes this.
  12. Alex Wagers

    Alex Wagers XS650 Enthusiast

    I ordered the pamco kit thru TCbros im guessing they use the same weights as Mikes does?
     
  13. azman857

    azman857 '80 XS 650SG Rider Top Contributor

    If you did not order the E-advance, yes you need a mechanical advance. If you did order the PAMCO with E-advance, then no, you do not need a mechanical advance
     
  14. Alex Wagers

    Alex Wagers XS650 Enthusiast

    I was able to buy the weights from
    Halfmile. They appear to be made from a different material possibly copper? Should be here Friday and get me going by the weekend. Saved some money to. Thank you all for the help I will post pictures of my bike soon
     
    gggGary likes this.
  15. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

    Halfmile's weights are the original, OEM items. Copper plated steel, with some hardening.
     
    gggGary likes this.

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