xs650 How to test your rotor

Another xs650 charging system tech video By Brian Durk – Minnesota

I’ve been working on understanding the xs650 charging system for some time now. One thing I’ve learned that I thought would be helpful to others trying to tackle charging issues is simply how to test your charging rotor. Here’s a quick video. Note, when buying a circuit tester… you get what you pay for.

$1.99 on sale at Harbor Freight last month.


  1. chris says:

    good job mate your videos are very informative i like the one where you wire up the chargein system,more of the same please

    chris (black country uk)

  2. tim says:

    what other bikes have the same carbs as a xs 650

  3. tom says:

    to a fella that’s still learning. wat does 5.7 ohms mean? good or no?

  4. fanoboss says:


  5. Barney says:

    2.1 ohms is a direct short. No ohm meter will “zero out.” Where does 7.8 ohms come from?