Stator test


Information and questions on GL1200 Goldwings (1984-1987)
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seasicksid
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Stator test

Postby seasicksid » Wed Oct 16, 2013 11:42 am



Hi all
Hope this doesen't sound stupid.
Is there a way of making sure the stator is ok while the engine is out of the bike?
Wouldn't want to go to all the trouble of re fitting the engine only to find it has to come out again.

Sid



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virgilmobile
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Re: Stator test

Postby virgilmobile » Wed Oct 16, 2013 11:57 am

Physical inspection.it should not be burnt black.
ohm meter test between each pair of wires(3 measurements)
Ohm test to the stator mount or ground.there should be no continuity.
The stator is simply 3 long sections of wire wound around a core.All 3 have one common connection,the other ends exit the engine in the 3 yellow wires.
Remember,it has NO connection to ground.
Each coil has a very low resistance.The manual shows the specs.

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thrasherg
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Re: Stator test

Postby thrasherg » Wed Oct 16, 2013 1:23 pm

As virgil says, you should be able to measure a low resistance between any of the 3 yellow wires, but there should be NO connectivity (Very high resistance) between any of the 3 wires and ground (the engine cases (assuming the stator is bolted into the engine)).

Gary

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seasicksid
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Re: Stator test

Postby seasicksid » Wed Oct 16, 2013 1:35 pm

That's great. I'm going to pop the cover tomorrow for a visual and a ohm check. If I get a high resistance, I'm right in thinking its toast?

Sid

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thrasherg
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Joined: Tue Oct 20, 2009 11:21 am
Location: Plano, TX
Motorcycle: 2004 GL1800, 2005 Honda Shadow 750, 2008 Yamaha R6 with RG500 engine, CRF450X, CRF230, CRF250X, XR200, CR500

Re: Stator test

Postby thrasherg » Wed Oct 16, 2013 1:58 pm

Sid,

you want to see a low reading between all combinations of the three wires, if you label each yellow wire A, B & C,
you should measure the resistance between wires A & B, A & C, and finally B & C, the value should be low and it should be the same for all 3 measurements.
Then measure the resistance between a good earth point on the engine and wire A, good earth point on the engine and wire B and good earth point on the engine and wire C. All three measurements should show an open circuit (Very high resistance). If any of them show a resistance, then you have an issue, do be sure to make sure you are not touching the wire with your hands and the engine, otherwise you will be measuring your resistance not the stator resistance!!

Gary




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