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rough running

  1. Weird Backfiring (I've tried all the standard advice with no success)

    SV650 Gen1 (99-02) Tech
    Hi all! I've been having an annoying issue with my 2000 sv650; it likes to backfire, a lot! It backfires (actually after-firing I guess) loads and very loudly whilst using the choke a bit during warm up but if I use no choke it will run but not well at all until its warm (Very lumpy idle...
  2. Choke Plungers Causing Running Issues

    SV650 Gen1 (99-02) Tech
    Hi everyone! I recently managed to get my hands on a 2000 naked SV650 with only 3000 miles for only £1000! I've given it a good dose of TLC as I've cleaned and out new seals in the carbs (twice), changed the oil and filter, coolant and spark plugs. However, whenever I start it, it will idle...