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September 20th, 2006, 10:11 AM   #21
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Rewound SEM

Hi All,

Just to let you know who has been taking an interest in this thread that Joes SEM stator turned up this morning it is now rewound run on the test rig and passed with flying colors
just requires repotting should be on it's way back Thursday Friday.
Keep an eye out for Joes comments in the next couple of weeks all good I hope.

Regards to all

Sparks.
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September 20th, 2006, 11:05 AM   #22
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RE: Rewound SEM

Sparks, you said you received a few dead SEMs from someone in France. How much would you resell those once rewound?

Thanks!
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September 20th, 2006, 12:11 PM   #23
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Sparks,
Is another thread that concerns the usage of a KTM stator on a husaberg. Notice you mentioned different values for the KTM stator. Is it not ok to run the KTM stator on a Husaberg? One fellow stated he did this and it ran ok. Would really like your opinion.
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dan
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September 21st, 2006, 12:38 AM   #24
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Hi Dan,

After reading again what I said about the KTM stators working on the pre 99 Husaberg may not be exactly true, the reason being there is two types of SEM stator there is the convenional stator that bolts straight on the engine and the other that sits in the engine cove,r they my look and test the same but one will not run the other, the reason being is direction of rotation. With the stator on the right hand side of the engine and bolted to the engine it runs clockwise but the other type is actually running anticlock wise. If I run clockwise stator on my test rig anticlock wise you get a big shift in the ignition timing so far out it would not start the engine, not only that the ignition curve is totally screwed up.
But if you had a KTM SEM stator with the same readings as a pre99 and the fitment was the same, THEN it WILL run OK. There is no KTM SEM stator that will run Husaberg 99 to 03. Only if I rewind one to do so.

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Sparks
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September 21st, 2006, 08:25 AM   #25
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I guess that settles it once and for all, then.

Thanks a lot for the good work, Sparks.
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September 21st, 2006, 08:45 AM   #26
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Pay attention to the rewound stators just because they don't come back with the factory specifications.

I have one rowounded, it works but the specifications are not the original ones and due to that the engine it's not so easy to start.
On the run it's OK.

The man who did this have explained to me that is due to section of the original wire be to thin, so thin he have to put a white paper sheet to can see it.
He can't find a so thin wire on the market and made the wiring with wire he find which is more thick which reduce the resistance.

And due to that the initial spark are not so powerful.
Now I'me gonna spend more 300€ for a new complete ignition (Stator+rotor)

Hope this helps.
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September 21st, 2006, 12:05 PM   #27
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Originally Posted by Husby
Pay attention to the rewound stators just because they don't come back with the factory specifications.

I have one rowounded, it works but the specifications are not the original ones and due to that the engine it's not so easy to start.
On the run it's OK.

The man who did this have explained to me that is due to section of the original wire be to thin, so thin he have to put a white paper sheet to can see it.
He can't find a so thin wire on the market and made the wiring with wire he find which is more thick which reduce the resistance.

And due to that the initial spark are not so powerful.
Now I'me gonna spend more 300€ for a new complete ignition (Stator+rotor)

Hope this helps.


Hello Husby,

I tried one from the same guy in Portugal and it doesn't work on my 00 501. It was just like you said, he used larger diameter wire on the coils and could not get enough turns on to deliver the voltages needed>

I hope Sparks works!

Regards,

Joe
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September 22nd, 2006, 02:57 PM   #28
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sparks can you pm me what i should put on the customs declaraion and payment methods i have got a price for shipping to you. i have five stators off various model husabergs ranging from 94 350 to a 02 470. at the moment i have a 01 550fe that needs a stator and probaly will get sa spare rewound for my 470fc
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September 23rd, 2006, 05:05 AM   #29
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Now I'me gonna spend more 300€ for a new complete ignition (Stator+rotor)
Husby, How much is the ignition in Portugal? About 300 €? ($385)
The official dealer in neighbor Spain said me yesterday 464 € ($595)+ shipment for a FE 400E 2003
When I need one I will buy it in Portugal

Regard
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October 3rd, 2006, 04:32 PM   #30
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Ride Report on my 00 FE501E with a SEM Stator rewound by Spa

Ride Report on my 00 FE501E with a SEM Stator rewound by Sparks.

The stator is better than the OEM was!

The stator Red-Black windings were open circuited when I sent it to Sparks.
It only took him a few days to fix it.

Here are the Stator measurements I made on the rewound stator:

Resistance measurements were Red-Black 3.08 K ohms, Red-Black 178 ohms, well within spec.

Spark Plug in Tests: E-start R-B 36.5 VAC G-B 4.03 VAC 6 compression revolutions

Spark Plug in Tests: Kick-start R-B 25.2 VAC G-B 2.1 VAC 3 compression revolutions (I was very tired).

On E-start I usually get 30 VAC on R-B and 3 VAC G-B on a good OEM SEM stator for a 99-03 Husaberg so this rewound stator was really putting out the voltage!.

I rode the bike for 3.1 hours today (91.9 miles) and it performed GREAT! No hiccups or pops and E-started on the first turn each time.

Here are 2 pictures. the alternator side is the original SEMs epoxy as Sparks didn't have any work to do there. The ignition side was coated with red epoxy by Sparks after he rewound the R-B, re riveted the grounds, soldered the grounding lugs to the top lamination, and dipped the ignition side in electrical varnish.

Here is a message Sparks sent me on the day he received the stator from me.
............................

Hi Joe,

Your stator turned up this morning like you said it is open circuit on the source winding.
I have rewound and run it up on the test rig and she sparks up at low spark threshold
150 200 rpm. I have dipped the windings in varnish and it baking in the oven for three hours. Should get it potted tomorrow and back in the post Friday.
It also had an earth termination problem when I tested the trigger coil it was reading 210 Ohms I checked the resistance between black and earth and it was showing 43 Ohms.
The earth tag under the potting compound is just riveted to the laminations I have always thought this is not the best way to do it so once I have riveted it I solder the earth tag to the laminations this should stop any further earthing problems.

Best regards

Sparks.
.....................

I am very satisfied and happy for all of us who have older Bergs . We now have an alternate source for SEM stators.

I have been very frustrated with my 00 Berg because I had identical failures,( R-B open circuits) on the original and 2 replacement SEM Stators. I had 1 of them rewound by a person in Portugal, and it didn't work in my bike because he did not use the correct size magnet wire and the stator did not put out high enough voltages.

It was such a joy to ride it again, I love the 501 engine.

Thank you Sparks,

Joe
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SEM ignition stators-stator-rewound-sparks.jpg   SEM ignition stators-stator-rewound-sparks-spain.jpg  
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