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December 21st, 2006, 11:20 AM   #51
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It seems that getting your stator fixed by Sparks is cheaper than buying a new one, which only comes as a bundle with the flywheel.

Sparks do you still sell stators with no trade?
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December 22nd, 2006, 12:23 AM   #52
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Hi Slow,

Greetings and welcome to the site, the total cost including return post wil be 195 Euros.
Turn around time is usually about 7 to 10 days in total.

If you require any more infomation just PM me or send me an email.

If you want to speak in your native tongue have a word with Le Frog I think he is from your neck of the woods and speaks French.


Regards

Sparks.
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January 6th, 2007, 09:43 AM   #53
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Originally Posted by sparks
up to 1998
BLACK & RED 1750 Ohms
BLACK & GREEN 23 Ohms

1999 to 2003
BLACK & RED 2900 TO 3000 Ohms
BLACK & GREEN 160 TO 17O Ohms
Hi Sparks, a friend given to me an used 1998 ignition.
Can you "custom" it to run for 2001 spec?
If it's Yes, I'll send to you 2 stator
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January 6th, 2007, 11:29 AM   #54
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Hi Slow,

Yes I can rewind your 1998 stator to a 2001 spec not a problem, I will also cut the timing grove on the back, the pre 99 stator fitted on the engine and the timing groove is on the front of the stator.
You can find my address details on my web site.

Regards

Sparks.
www.uk-motoplat.com
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January 6th, 2007, 06:12 PM   #55
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Great Job!

Hi Sparks,
Thank you for providing a proper SEM stator rewinding service.

I set up a test rig a number of years ago and profiled many a stator using a Lab Scope.
Even as new many SEM units are borderline.

Believe it or not you can indeed interchange stators from case mount / cover mount , however, the timing must be readjusted via rotating the flywheel and the advance curve is different. I did it just to see if I could make it work. It worked, just not well. LOL

In any event, thank you once again for properly addressing this issue.

Best Regards,
Dale
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January 7th, 2007, 04:55 AM   #56
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Re: Great Job!

Hi Dale,

Unlike Jap ignition stators that will only work in the intended direction SEM will work in either direction this is because of the way the coils are wound and connected, the pre 99 stators are wound and connected in the same way as the 99 to 03, the only difference is the resistance values. So when I rewind a pre 99 to a 03 I have to cut a timing mark on the back of the stator because of it now being housed in the cover of the engine. It is the trigger magnet in the fly wheel that determines the firing point, and depends if they use the North or South pole of the magnet to enter across the trigger pole first. Depending on which way they have set the magnet you can a have spark when the magnet enters the pole or a spark when the magnet is exiting the pole.
Better quit now I'm starting to confuse my self but I hope you understand what I mean.

Regards

Sparks.
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January 7th, 2007, 09:46 AM   #57
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Understand

"I hope you understand what I mean"


I do indeed.

The stator and trigger windings are nothing more than wire. The magnets, well, they are magnets. N & S pole.

The ECU determines whether ignition is signaled on the rising or falling edge of the generated sine wave.

Cheers,
Dale
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January 11th, 2007, 04:54 AM   #58
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RE: Understand

Hi Guys

I'm a bit new to all this (this site and bergs) so forgive me if a similar question has been asked before.
How bad is it if the red to black resistance reading on my SEM is around 180K ohms?
Black to green is 172 ohms and the yellow to blue is 0.4 ohms and so are in range.
Bike still starts and runs but it occassionally dies and then is hard to start.
Just looking for clues.

Cheers
Shayne
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January 11th, 2007, 05:43 AM   #59
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RE: Understand

Hi Coastie. It might be a good idea to add your bike details - year size etc in your signature. I seem to recall the OHMS being mentioned in this post or another one (maybe titled "replace the stator no more") - it was not that long ago - I suggest try a search or if you have done so but with no luck maybe changed the search critria. 2 members that seem to have done the most with Stators are Sparks and JoeUSA. Sparks does Stator repairs and has many happy customers here.
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January 11th, 2007, 07:51 AM   #60
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Re: RE: Understand

Originally Posted by Coastie
Hi Guys

I'm a bit new to all this (this site and bergs) so forgive me if a similar question has been asked before.
How bad is it if the red to black resistance reading on my SEM is around 180K ohms?
Black to green is 172 ohms and the yellow to blue is 0.4 ohms and so are in range.
Bike still starts and runs but it occassionally dies and then is hard to start.
Just looking for clues.

Cheers
Shayne
Hi Shayne,

I'm the guy that does the rewinds on these SEM ignition stators. With the resistance that high you have got a dry joint or blown windings.

Black Green is ok but Red black should be 3000 + - 10%.
If you want anymore info just drop me a line.

Regards

Sparks.
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