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  1. kenintn

    Keeps popping main fuse....

    Uh https://www.mikesxs.net/ken_maxwell/ChargingSystem.html https://www.mikesxs.net/ken_maxwell/images/meter.jpg. https://www.mikesxs.net/ken_maxwell/WiringExplained.html
  2. kenintn

    Keeps popping main fuse....

    All the time
  3. kenintn

    Keeps popping main fuse....

    Is everyone has noted finding intermittent shorts are hard. It’s a hassle, but you could try disconnecting, or even putting fuses in line with all of the circuits that branch off of the brown wire coming out of the ignition switch.
  4. kenintn

    Keeps popping main fuse....

    Yep. The math: amps = volts divided by resistance (ohms) Rotor resistance normally is 5 ohms. 12V/5ohms= 2.4 amps. But If the rotor goes bad its resistance can drop down near zero. If so, 12v/.2 ohms = ? AMPS You do the math. 😊
  5. kenintn

    Keeps popping main fuse....

    Actually if the rotor did shirt it would blow the 20 amp fuse. Current from the battery flows through the rotor coil , creates a magnetic field that creates the charging voltage. If the resistance of the rotor coil drops (as it does when it shorts) high amps will flow blowing the fuse. People...
  6. kenintn

    Keeps popping main fuse....

    Unfortunately, as someone else noted , your meter will not read enough Amps to test the rotor. You need one that will read at least 10 ounce. You can pick one up at Lowe’s or Home Depot for about 30 -$40.
  7. kenintn

    Keeps popping main fuse....

    Sorry about that, The red wire is power in from the fuse. Turn the ign on and it sends power out the brown wire, R/Ywire. In park it sends volts (power as we call jt) out to the parking lights
  8. kenintn

    Keeps popping main fuse....

    Locate the wires that come from the engine run switch on the h-Bar. This is the ignition circuit. LEAVE IT PLUGED UP. the other wires go to things like horn turn signals and such. I’d unplug them (keep track (with pics) where they go) and just leave the ignition circuit connected. Then plug...
  9. kenintn

    Keeps popping main fuse....

    this type problem is hard to find. However you can isolate circuits then bring them back one at a time if you have the patience. The wiring goes like this. A resd wire comes from the fuse to the headlight can where it then connects to the ignition switch Out of the igi switch come three wires...
  10. kenintn

    Keeps popping main fuse....

    To confirm, you remove the brown brush lead wire from the brush holder, Set your meter on amps, connect the red lead to the wire you removed , the black lead to the spot where they screw held it to the brush holder. Simply turn the ignition on and the amp meter should show about 2. 25 Amps...
  11. kenintn

    Keeps popping main fuse....

    To confirm, you remove the brown brush lead wire from the brush holder, Set your meter on amps, connect the red lead to the wire you removed , the black lead to the spot where they screw held it to the brush holder. Simply turn the ignition on and the amp meter should show about 2. 25 Amps...
  12. kenintn

    Help save my trip! Bike doesn't run when warm

    Sounds like CARMO has a design flaw. Because if your bike pick ups are doing it probably most all Yamaha’s are going to heat up and do the same thing.
  13. kenintn

    Help save my trip! Bike doesn't run when warm

    On a stock bike the coil and the electronic ignition All come off the same 10 amp ignition fuse. I posted a thread showing how many different connectors the circuit went through that could possibly have loose connections. Since yours is a scratch built harness this wouldn’t apply.
  14. kenintn

    Help save my trip! Bike doesn't run when warm

    Regarding the post about using a jumper. i guess i should have explained what this was doing. By using the jumper you are bypassing all the electrical connection from the battery to the coils. The path is ... battery to main fuse (connections) Main fuse to ignition switch (connections)...
  15. kenintn

    Help save my trip! Bike doesn't run when warm

    In the dutch video the engine does not seem to be stumbling. If you listen it is idling smoothly yet the tach is jumping around. On a standard 650 this tends to indicate the tach cable is worn out, dry and or bent in to tight of a radius causing the internal cable to seize up then quiuckly...
  16. kenintn

    Help save my trip! Bike doesn't run when warm

    Before you start pulling brushes and disconnecting yes and that Travis.
  17. kenintn

    Help save my trip! Bike doesn't run when warm

    As most have indicated it is either fuel or ignition. If you have a clear fuel filter you should see fuel in it , course the vacuum issue could give a false indication. But the stumbling sounds more like ignition. Fuel issue usually result in no engine response , sounds like it is starving for...
  18. kenintn

    For Sale - 1980 xs650S on Ebay HURRY

    One of our fellow 650 owners is having to let go of his pristine XS650 due to personal reasons. It is listed on Ebay with no reserve. Very Nice clean 1980 XS650S with 8 hours auction to go, so far it is at less than $1200.00.. NICE!! I'd buy it but have three 650s already. Enter...
  19. kenintn

    Giveaway: Chop Source Frame Jig Kit! (ends 11pm CST on March 31th, 2016)

    Yes, enter me in the drawing. Great offer!! kenintn
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