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would you replace a stator with these readings?
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don_gibb6512 -
don_gibb6512 -
don_gibb6512 -
don_gibb6512 -
I would say that all those shots definitely , undeniably, irrefutably show chemical breakdown of the stator insulation due to the effects of caustic oil on cheap non OEM partsOriginally posted by don_gibb6512 View PostAnd 3 of 3:
Well either that or it just burnt up from a SHUNT regulator shorting the winding too muchLast edited by posplayr; 10-24-2010, 08:15 PM.
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BassCliff
Hi,
Your stator:
If the external epoxy is bubbled like that, chances are that the insulation has melted off the windings. This is not good for stators and other living things.
Here's a shot of one of my stators.

Thank you for your indulgence,
BassCliff
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Yes Cliff, quite obviously another case of chemical breakdown.Originally posted by BassCliff View PostHi,
Your stator:
If the external epoxy is bubbled like that, chances are that the insulation has melted off the windings. This is not good for stators and other living things.
Here's a shot of one of my stators.

Thank you for your indulgence,
BassCliff
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081dbx64
I'm having a similar problem. I get good voltage across all three legs 70 volts. Stator wires to ground 1.0, .5 and 1.0 ohms . Ohms across the legs .9 on all three. Meter set to 200 ohms for testing.
Here are my R/R tests. New R/R on order.
[IMG]file:///C:/DOCUME%7E1/081db/LOCALS%7E1/Temp/moz-screenshot-35.png[/IMG]
Regulator/Rectifer Tests – 10/22/2010
Yellow White/Red White/Blue Forward Bias: Top 3 Diodes 0.751 0.789 0.758 Reverse Bias: Top 3 Diodes Overage Overage 1.362
Forward Bias: Bottom 3 Diodes 0.770 0.764 0.775 Reverse Bias: Bottom 3 Diodes Overage Overage Overage
* Meter set to Diode Mode (2k Ohms)Last edited by Guest; 10-24-2010, 10:13 PM.
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Hopefully, you have followed this saga of don's and enjoyed the experience. I'm immediately suspicious of diode readings like yours since most old diodes would forward bias at about .66 volt- newer ones maybe at .60 volt. Are your connections clean? "meter set to diode mode" ? does your meter have a seperate diode check position?Originally posted by 081dbx64 View PostI'm having a similar problem. I get good voltage across all three legs 70 volts. Stator wires to ground 1.0, .5 and 1.0 ohms . Ohms across the legs .9 on all three. Meter set to 200 ohms for testing.
Here are my R/R tests. New R/R on order.
[IMG]file:///C:/DOCUME%7E1/081db/LOCALS%7E1/Temp/moz-screenshot-35.png[/IMG]
Regulator/Rectifer Tests – 10/22/2010
Yellow White/Red White/Blue Forward Bias: Top 3 Diodes 0.751 0.789 0.758 Reverse Bias: Top 3 Diodes Overage Overage 1.362
Forward Bias: Bottom 3 Diodes 0.770 0.764 0.775 Reverse Bias: Bottom 3 Diodes Overage Overage Overage
* Meter set to Diode Mode (2k Ohms)1981 gs650L
"We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin
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081dbx64
I went through every connection in the harness cleaned them. Meter set to diode mode.
Ya know..the bike is 30 years old. Had to replace the igniter last year..
Don't know what to think about my stator..but for a $100 bucks or so..I'm just going to replace it. It's a time vs money issue at this point. And while the part is off I might as well polish my side cover. At least now I will have peace of mind that all of the charging and ignition parts are replaced.
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Yes , if you feel those meter readings are accurate, your stator is gone! If you can, take a pic of your old stator and post it . Peace of mind is always a good target!Originally posted by 081dbx64 View PostI went through every connection in the harness cleaned them. Meter set to diode mode.
Ya know..the bike is 30 years old. Had to replace the igniter last year..
Don't know what to think about my stator..but for a $100 bucks or so..I'm just going to replace it. It's a time vs money issue at this point. And while the part is off I might as well polish my side cover. At least now I will have peace of mind that all of the charging and ignition parts are replaced.1981 gs650L
"We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin
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don_gibb6512
Well, my cats think the stator is bad. I put the stator in a Kroger bag and left it on my workbench and they peed all over it last night. Good grief.
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