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Author Topic: SR500 Stator  (Read 516 times)

Offline SONIC.

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SR500 Stator
« on: Feb 04, 2019, 16:50:07 »
Here we go again!
years later I still need a stator for my 78 SR500.
I just cant bring myself to pay 700 bucks for a new one.
Anyone have one?

Everyone I ask about rewinds doesn't want to do it because of the special 78 CDI coils or some shit.

Offline scott s

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Re: SR500 Stator
« Reply #1 on: Feb 06, 2019, 20:06:14 »
 Have you talked to Custom Rewind in Georgia?

Offline irk miller

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Re: SR500 Stator
« Reply #2 on: Feb 06, 2019, 21:06:07 »
Have you talked to Custom Rewind in Georgia?
Birmingham, AL.  I'm not 100% sure they're still around.

Offline Tim

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Re: SR500 Stator
« Reply #3 on: Feb 06, 2019, 21:20:38 »
When you say $700 for a new one, do you mean an OEM replacement or a complete replacement charging/ignition system?

https://www.ebay.com/itm/PVL-Racing-Ignition-System-Stator-Yamaha-SR-500-TT-500-XT-500-4-Stroke-Engines/362523552654
"Quality . . . you know what it is, yet you don't know what it is. But that's self-contradictory. But some things are better than others, that is, they have more quality. But when you try to say what the quality is, apart from the things that have it, it all goes poof! There's nothing to talk about. But if you can't say what Quality is, how do you know what it is, or how do you know that it even exists? If no one knows what it is, then for all practical purposes it doesn't exist at all. But for all practical purposes it really does exist."

Offline Tim

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Re: SR500 Stator
« Reply #4 on: Feb 06, 2019, 21:34:27 »
"Quality . . . you know what it is, yet you don't know what it is. But that's self-contradictory. But some things are better than others, that is, they have more quality. But when you try to say what the quality is, apart from the things that have it, it all goes poof! There's nothing to talk about. But if you can't say what Quality is, how do you know what it is, or how do you know that it even exists? If no one knows what it is, then for all practical purposes it doesn't exist at all. But for all practical purposes it really does exist."

Offline scott s

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Re: SR500 Stator
« Reply #5 on: Feb 07, 2019, 08:12:21 »
Birmingham, AL.  I'm not 100% sure they're still around.

 Oops, my bad. You are correct.

Offline SONIC.

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Re: SR500 Stator
« Reply #6 on: Feb 07, 2019, 10:47:42 »
Understand $50 is better than $350 but...

https://www.rexs-speedshop.com/product/yamaha-sr500-sr400-1979-95-stator/

Thanks Tim,
I've got a rexe's CDI already but trying to finds an option that doesn't require me to send the one I have to the UK the pay to ship the rewind back to me!

I found that Rick's Motorsport Electrics will do it for $275
so far that's the best option I think.


I'll try custom rewind as well, i've tried before with no luck.

Offline irk miller

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Re: SR500 Stator
« Reply #7 on: Feb 07, 2019, 11:43:52 »
Thanks Tim,
I've got a rexe's CDI already but trying to finds an option that doesn't require me to send the one I have to the UK the pay to ship the rewind back to me!

I found that Rick's Motorsport Electrics will do it for $275
so far that's the best option I think.


I'll try custom rewind as well, i've tried before with no luck.
I may be wrong, but it seems like Matt has started to do this with some of the Honda Twins.  Maybe it's something he can do for you.

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Re: SR500 Stator
« Reply #8 on: Feb 07, 2019, 12:28:06 »
I may be wrong, but it seems like Matt has started to do this with some of the Honda Twins.  Maybe it's something he can do for you.

I'm sure he'll chime in but I remember from when we designed those that there is a machine that winds them.

Offline Sonreir

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Re: SR500 Stator
« Reply #9 on: Feb 07, 2019, 12:34:05 »
That's something I usually outsource.

I know how to do it, but I've never done one. Since it's already broken, I'd be willing to give it a shot.
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Re: SR500 Stator
« Reply #10 on: Feb 07, 2019, 12:44:37 »
When I did the FA50, I just bought some 34 AWG wire on ebay for like $8. I'm sure yours has heavier wire.

Basically I just over wound it until the resistance was higher than what I needed, and then slowly unwound the extra and kept checking the resistance until it was within spec.


Over wound.

In spec.


I think the only reason it failed was because I used some cheap crappy epoxy I had lying around, that probably didn't stand up to the heat. All said and done I probably had 3-4 hours into it but most of that was removing the old wire.