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  1. Chris Costello

    Backfire

    Here is a video of my 1981 Yamaha Xs650 Backfiring. Can any of you Motorcycle doctors give me a solution? I presume I have to fiddle with the carburetors.
  2. Chris Costello

    Wheel Troubles

    Alright, this isn't an XS650 part. However I have no idea how to remove the axle from this wheel. Any suggestions?
  3. Chris Costello

    Throttle problems!

    1981 Yamaha XS650 ---------------------------- So, when I start the bike it will idle just fine until I pull the throttle. Once I pull the throttle it won't seem to go back all the way unless I snap the throttle back hard. Here's a quick video showing the problem.
  4. Chris Costello

    Loose Chain?

    I'm going to assume these are the symptoms of a loose chain. Should I buy a new one, tighten the one I have?
  5. Chris Costello

    Clutch push rod replacement

    Now that the bikes running I'm moving on to replacing my missing clutch push rod. I went to mikes XS and bought both the small rod and the long rod (bought both in case the short rod didn't work out) and an extra bushing in case I needed it. I removed the worn out seal and have no idea what to...
  6. Chris Costello

    It's alive!

  7. Chris Costello

    Trouble Starting again

    1981 XS650 So I have new spark plugs, fixed the connection between the ignition and the boot, have oil, gas, and rebuilt the carbs. However, this bike does not seem to want to start for long. I've been able to start it about 3 times, each time lasting less than a few seconds. I'm also kick...
  8. Chris Costello

    Oil leak

    Would anyone know where this oil leak is coming from and what gasket i'd have to buy to replace it? 1981 Yamaha XS650
  9. Chris Costello

    Need help starting

    I've been trying to kick start this bike for the past hour straight. My electric start doesn't seem to work, however the kick start has gotten me two semi-successful starts. The bike started for about 2 seconds twice however it hasn't been able to stay on longer than that. I have the choke...
  10. Chris Costello

    3D Printed XS650 Parrallel Twin

    Check this 3D Printed xs650 engine out
  11. Chris Costello

    Fuel leaking into air filter??

    I reassembled the bike today and found fuel leaking heavily into my air filters from the carbs. Does anyone know why this happened or how to fix it??
  12. Chris Costello

    What is this line?

    Alright, so I have a 1981 Yamaha xs650 which has been sitting for the past ten years. Over the past few months I've been dissembling and cleaning the bike. However when I went to put everything back together I found a line that starts near the battery box and goes down the bike. Included are...
  13. Chris Costello

    Oxidation and Rust

    Since my bike spent the last 15 years of its life hanging out in a barn, most of the chrome and other metals have gathered slight rust and oxidation spots. Does anyone have any ideas as to how I would go about restoring the metal? Included are some pictures.
  14. Chris Costello

    XS650 seat removal?

    Hey again, so I'm out working on the bike today and figured I'd try to get the seat off. However this proved to be more difficult than I imagined. I u locked the seat on the right hand side, however the left side of the seat is still connected to the frame. Does anyone know how I can get this off?
  15. Chris Costello

    Barn Find: 1981 Yamaha XS650

    I recently acquired a 1981 Yamaha XS650 that has been sitting for the past 15 years of its life. As I'm new to the Motorcycle scene, I'd figure I'd ask for some help/suggestions of those with more experience than me on how to bring her back to life. So what should my first steps be to resurrect...
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