tuning

  1. S

    '77 XS360 Backfiring above 5000 rpm + other issues

    EDIT: I think I found the issue, the new battery I installed is bad. For the life of me I cannot figure this out. Sorry for the long read but I feel like I should include everything I did, which is a lot. I recently replaced the coils on my Yamaha (1977 XS360) because the bike didn't really...
    • SimonFordman
    • Thread
    • 1977 backfiring electrical engine engine question ignition coil misfiring tuning xs360
    • Replies: 0
    • Forum: The Garage
  2. J

    Carb tuning advice

    Hi, need some advice for getting my bike running right. It’s an xs400se The main issue right now is the rev hang it has on idle. And occasionally won’t idle will just stall, or when idling and going to throttle it cuts out. On warmer days it will idle but have rev hang. Guessing it’s running...
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