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  1. J

    Chuck Palmgren XS650 article in Sideburn Magazine #49

    For anyone who's interested, in the current Sideburn Magazine (#49) there's a nice article by Gary Inman talking with Chuck Palmgren about his development of the first XS650 flat track bike to win a National in 1970. It's in the print edition, don't think it's available online. 650Skull posted...
  2. J

    Under-motor mufflers?

    Hi, I've been considering an under-motor muffler, sort of like a Buell, and don't find anything like that on XS650s when I search. Have you seen any? Are there issues about heat from something like that under the oil sump? Thanks, John
  3. J

    Sportster mufflers and a warped head?

    I have an '81 XS650 street tracker, stock engine as far as I know. I got it a couple if years ago as a project in progress so don't know how many miles it had on it but I've put on13,600+ miles since. At the beginning of my time with it I cut off the stock mufflers and replaced them with a pair...
  4. J

    Low/no budget pipe mod question

    I have a low-budget 81 street tracker with stock head pipes cut off just before the stock mufflers with a set of stock Sportster mufflers clamped on, and stock carbs. Too late I realized I should have used a reducer slid into the space between the inner and outer header pipes, and with only...
  5. J

    Brakes and fork springs, 650Central.com

    I had to tell somebody... I have an '81 street tracker with a stock motor and the original front end. The front brake reminded me of the effectiveness of rubbing a chunk of 2x4 on the hard rubber tire of a kid's wagon - there was a lot of planning ahead, which I'd done for the first 8,000 miles...
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