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Faulty rotor indeed!

UPDATE!!! So, I continued poking and coming up with nothing. My brother stopped by and as we chatted about the issue I went through the basic tests again to illustrate to him. This time however I remembered what Barry had mentioned earlier about the rotor test and how at the low revs I was using in ...

I have a buddy with the same bike. he is going to stop by and I am going to try my new VR on his machine. If it doesn't work on his I either received a bad unit or something in my bike cooked it. hmmm

reassembled everything back to where it was. Omitting testing wires and jumpers etc. Started bike and it worked for a couple of moments and then gen light came back on and no more charging. checked all wires again, and grounds. Light still stays on and no charging. Bypassed VR and jumped the DF and ...

So I tried the test Barry outlined and connected a bulb (spare directional light and socket) from the battery + to the D+ on the voltage regulator. With the Key Off the light illuminated immediately upon connecting it. Started the bike and it remained on with no voltage climb with revs.

I cracked open the headlight bucket and noticed a couple of wires that have obviously became overheated. The green with blue wire runs to the coil, the blue with green wire runs to the kill switch. I checked for continuity on both wire and it seem there i no break. the wires, where connected in the ...

A lil more specific info... I have an LED light that is connected where (replaced) the original Gen. Light. Since the LED does not have enough resistance I have attached the 50 OHM resistor to the coil and VR. This was well over a year ago and the new LED gen light has worked flawlessly until now. I...

My apologize for the typos. (it was late and I was typing fast) It is an 50 ohm resistor used. Snowbum does recommend a 50 ohm resistor to better simulate what a regular bulb would do. He just suggests not placing it in the headlight bucket or soldered to the original circuit board. I also reved the...

I isolated the brushes from the rotor with a piece of matchbook cover and have continuity between the rings. If it was a failed rotor or another alternator issue would'nt it fail to charge when I removed the regulator and jumped the DF and D+ wires?

hello folks! Have a 77 R100/7 with aftermarket speedometer and volt meter. Also have LED generator light with 50 Ohm 10 watt resistor (as described by Snowbum article) This has worked flawlessly for a year till yesterday. Not sure what happened but after a 3 hour ride in light rain (coincidence?) th...