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Buell Forum » 1125R Superbike Board » Stator/Voltage Regulator/Charging System subforum » Checking the Stator « Previous Next »

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Cataract2
Posted on Wednesday, April 06, 2011 - 11:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ok, I might be doing this wrong. I did the volt test on my stator and it checked out at 40 volts for all 3 legs @ 3000 rpm. When I did the resistance test though all 3 legs were 0 ohms. I'm thinking my ohm tester might be a bit off. I doubt that all 3 would be bad.
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Bextreme04
Posted on Wednesday, April 06, 2011 - 11:34 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i believe it is supposed to be checked from each leg to ground... if it is less than 5 ohms then that leg has shorted to ground and is bad
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Zac4mac
Posted on Wednesday, April 06, 2011 - 12:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If the stator legs show ANY resistance to ground other than "open/infinity", you have a problem.
Leg-to-leg should be 0.1-0.3 Ohms as the alternator is 3.
AC output should be 35-40 VAC @ 3000 rpm across any 2 of the 3 pins.

Info taken from the 2008 1125R FSM.

Zack

Your numbers look pretty good Ryan - how you doing in Germany??
Sorry for the Army/Air Force mixup... doughboys are OK too!

(Message edited by zac4mac on April 06, 2011)

(Message edited by zac4mac on April 06, 2011)
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Cataract2
Posted on Thursday, April 07, 2011 - 02:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Doing all right. Just working to get the remaining parts for my 1125R VR change over now. Otherwise the weather here is getting awesome. Starting to get into the 70s for temps.
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Dcmortalcoil
Posted on Tuesday, April 12, 2011 - 02:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You will need a super accurate ohm meter. I tried out several ohm meters and they all indicate 0 ohm. I bought BK Precision 875B ohm meter to be able to read down to 0.001 ohm accuracy.
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