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About ktm010

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    TT Newbie

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    New York
  1. ktm010

    Valve Shimming Question

    Recently, took apart 2004 250r to inspect and shim. Left intake was .003 shimmed to .005 Right intake was .004 shimmed to .005 Left exhaust was .008 shimmed to .010 Right exhaust .009 shimmed to .010 My question is should I purchase smaller shims for the exhaust to make it .011 before I completely reassemble. Pros or Cons to leaving the shims the way they now are.