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  1. J

    Shocks

    I recently installed a side stand and a center stand on this new-to-me 1980 XS. The side stand, when deployed, is very close to the tip line, and I am entirely unable to deploy the center stand. I am simply unable to lift the bike onto the center, even with the front wheel on a 2x4. It occurs...
  2. J

    Fuel petcock vacuum oring

    Can anyone provide me with the correct oring size for the vacuum diaphragm shut-off in the fuel petcock (1980 vintage)? The one in my tap is pretty dried up and crusty, and rather than just going by guess or by golly, it would be nice to know the actual original oring dimensions while I search...
  3. J

    Newbie with jetting question

    Good day. I have a (new to me) 1980 XS with BS34 carbies. The exhaust has been modified as it has a siamese (2 into 1) header pipe and a shortie megaphone. The air intake is modified with twin K&N cones. The bike starts easily and idles fairly well, but it does a lot of backfiring and belching...
  4. J

    Side stand

    I recently picked up a very nice 1980 XS650 rig, with a Ural chair. I want to de-link the two, and use the chair on one of my Guzzis, but the Yamaha has no side or center stand. (and its much too nice to lean up against a tree! :)) I have been casting about, looking for a replacement sidestand...
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