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  1. Backfiring after 10 min riding, increasing & constant...HELP please!

    SV650 Gen1 (99-02) Tech
    Good day all. First SV650, first post. Thanks in advance for any and all advice. Thanks also for patience at a long post. Bike: 2002 SV650 Current issue: The bike starts fine and runs great for ~ 10 minutes at highway speeds (runs great longer if lower RPM, around-town speeds). After about 10...
  2. 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...
  3. Help: I over torqued header flange bolts

    SV650 Gen2 (03-15) Tech
    Increased backfires during rapid decelerations prompted investigation. I am a newbie and tightened the front header bolts pretty tight after discovering they were loose. Certainly more than 16.5 ft lbs. I rode the bike a few times since the tightening. 1. My question is should I borrow a...
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