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No voltage from stator?

  • Thread starter Thread starter maparker
  • Start date Start date
M

maparker

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I've been through the ubiquitous "charging issues" with my 450T before. Last time a Honda R/R got me all fixed up. Now its not charging again, but when I check the output from the stator I don't get any voltage. Does this mean that the stator is cooked? It doesn't seem to be shorted to the engine case as there is no continuity between any of the leads and either the frame or the case. Is no voltage what you would expect from a bad stator? I guess its time to pull the cover off and take a look. Am I correct in remembering that these run in an oil bath and that I need to drain the block before I pull the side cover? Any advice is appreciated.

Parker
 
Don't ask me how I know this but...I suggest that you make sure you are testing the stator leads and not the other end of the wiring harness going to it.

No AC current from your staor does indeed mean it is cooked but it is an unlikely status for your stator. Normally it works poorly before not at all.

I have tested the wrong wires more times than I like to admit and on one occassion bought a stator due to my error.
 
'only suggestion would be to make sure you have your meter set to read AC Volts, probably 100v scale to start with.
 
rgierer said:
I have tested the wrong wires more times than I like to admit and on one occassion bought a stator due to my error.
Click to expand...

LOL...we all do things like that from time to time....I'm almost positive I tested the white/red,gree,blue coming from the stator and not the yellow ones going into the R/R, but looking back who know's.

I'm the senior scientist at a biotech company, and often am the last line of technican support for a frustrated customer. You learn to ask very carefully "Did you use the correct, this, right that", some people don't handle it very well, but most readily admit "Boy that was stupid of me!"

Here's hoping I had the leads on the wrong wire!
 
On an aftermarket stator the wires coming from the stator are all yellow, and the one in the wiring harness are varied.

Good Luck
 
Also, it's very important to have the meter on AC, not DC. Even with a really messed-up stator, you should get some small sign of life, not zero. Having the meter on DC is the only explanation I can think of if you're hooked up to the correct wires.

You might want to stick the meter leads into an outlet (set the range correctly first) to verify it's reading AC correctly. I prefer a digital meter for this reading.
 
Need a stator rewound? *grins* Though it is unlikely that all three phases would die like that. Have you done a resistance check across the phases? And have you checked the resistance between each phase and the frame?
 
I suspect that I was on the wrong wires :oops: I can't run the re-test until at least next week though as the bike is in a few pieces. I have all of next week off though, so I should be able to get to it soon. I have run continuity and it didn't seem to be shorted out, so I don't know... Maybe new New/Old Honda R/R is dead. It worked great for a while though....
 
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