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Old 02-28-2012, 10:44 AM   #16
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To all you Kawi owners - http://motorsportsnewswire.wordpress...zx-6r-0224128/
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Old 02-28-2012, 01:22 PM   #17
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A headlight is a huge draw on the battery, so a voltage drop is no surprise. Unplug the actual headlight bulb/s and turn them 'on'. If there's a short, there will still be a voltage drop. If not, none.


Easiest test in the world and I didn't think of it. I'm slippin'
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Old 02-29-2012, 04:42 PM   #18
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this is a great read for what im going though right now!
thanks Alan!
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Old 02-29-2012, 07:46 PM   #19
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Old 03-01-2012, 04:48 PM   #20
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Charging system diagnosis & RnR upgrade

Here's a detailed, but useful link:

http://www.triumphrat.net/speed-trip...r-upgrade.html

Its Triumph specific, but there's useful info to be had.

I don't know the guy who wrote it (lives in Pleasanton).

I suggested to Motoshop to do a class on diagnosis & repair of charging systems.
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Old 03-05-2012, 04:30 PM   #21
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Anyone know a good way of testing a regulator/rectifier without the bike it's for?

I hooked one up to an AC power source and measured the regulator output but that's not 3 phase.
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Old 03-05-2012, 05:22 PM   #22
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Anyone know a good way of testing a regulator/rectifier without the bike it's for?

I hooked one up to an AC power source and measured the regulator output but that's not 3 phase.
Use an ohm meter to test the diodes.

The charging voltage is variable through the regulator. It has to be hooked up to the battery it's charging in order to check whether the regulator is functioning properly.
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Old 03-05-2012, 07:19 PM   #23
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Great thread Alan. Even though my ride is a Harley with a 2 wire stator instead of a 3 wire the basics are still the same. Here is a pic of my recently roached rotor. [ stator got roached too]

" style="max-width: 100%; height: auto; width: auto\9;">
5 magnets stayed in place no 6 is the loose one off to the right.
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Old 03-06-2012, 02:44 AM   #24
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Use an ohm meter to test the diodes.

The charging voltage is variable through the regulator. It has to be hooked up to the battery it's charging in order to check whether the regulator is functioning properly.
Diodes are good, yep.

The bike came with a bad RR. Tested the stator as good, harness to battery is good, new battery and the last one was OK anyway (cranked a Honda Accord with it this weekend, hah). I got another RR used with 6k miles, but I'm only getting 13.0V at 4-5k, and that's not more than idle. I think it might be a dud but I was curious if there was a test other than getting yet another one to see if that works better.

Thinking of getting an aftermarket part.
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Old 03-06-2012, 08:11 AM   #25
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Diodes are good, yep.

The bike came with a bad RR. Tested the stator as good, harness to battery is good, new battery and the last one was OK anyway (cranked a Honda Accord with it this weekend, hah). I got another RR used with 6k miles, but I'm only getting 13.0V at 4-5k, and that's not more than idle. I think it might be a dud
What were your actual stator voltage output numbers?

Yes 13vdc at the battery when the bike is running at 3-4k rpms won't charge the battery. You want to see 14vdc.
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Old 03-06-2012, 09:35 AM   #26
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Diodes are good, yep.

The bike came with a bad RR. Tested the stator as good, harness to battery is good, new battery and the last one was OK anyway (cranked a Honda Accord with it this weekend, hah). I got another RR used with 6k miles, but I'm only getting 13.0V at 4-5k, and that's not more than idle. I think it might be a dud but I was curious if there was a test other than getting yet another one to see if that works better.

Thinking of getting an aftermarket part.
13.0 volts is too weak.

What were the AC outputs from the stator at 4,000rpms?
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Old 03-06-2012, 10:28 PM   #27
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Stator was putting out around 50-60 V AC across each pair of the 3 outputs at 4kish RPM. Seemed right at the time. Even put a beefy resistor in parallel with the meter to load it.
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Old 03-07-2012, 06:48 AM   #28
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Stator was putting out around 50-60 V AC across each pair of the 3 outputs at 4kish RPM. Seemed right at the time. Even put a beefy resistor in parallel with the meter to load it.

low.
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Old 03-27-2012, 02:16 PM   #29
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"My bike won't start, and it makes a clicking noise." sticky thread.
DONE - in Garage's "How-to..." Stickie, thanks!


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Old 03-27-2012, 02:30 PM   #30
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DONE - in Garage's "How-to..." Stickie, thanks!


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