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February 15th, 2014, 02:57 PM   #1
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Sem to kokosan rebuild possible?

Have a spare egine for my 650, but its an 03 with SEM ingition, i have kokusan on my 06.

Is there any way to convert the SEM to kokosan?
There is no place for all the kokosan sensors behind/left of the flywheel with everything oem.
But has anyone tried buuilding some kind of bracket and new cover and making it work?

// Andreas/P-son
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February 15th, 2014, 03:40 PM   #2
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Re: Sem to kokosan rebuild possible?

Is there any way to convert the SEM to kokosan?
no. why would you want to ?
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February 15th, 2014, 03:53 PM   #3
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Re: Sem to kokosan rebuild possible?

Originally Posted by P-son
Have a spare egine for my 650, but its an 03 with SEM ingition, i have kokusan on my 06.

Is there any way to convert the SEM to kokosan?
There is no place for all the kokosan sensors behind/left of the flywheel with everything oem.
But has anyone tried buuilding some kind of bracket and new cover and making it work?

// Andreas/P-son
using Tapatalk 2
Hi P son

I'm doing this to some 02 cases soon .. . mostly because I only have kokusan components but also because not much seems to go wrong with the kokusan stuff

my first thoughts are to cut out a portion of the round protrusion on the cases weld some bits on to fit a kokusan cover and make an adjustable bracket for the signal coil

or machine the cases nicely and make a new cover to fit

alignment/timing would need some fiddling FWIW on the 80mm crank there is a locating hole for the crank locking bolt and the signal coil is located directly above that hole

but none of that stuff is difficult and a few people have done it already in different ways

viewtopic.php?f=6&t=15611

https://www.google.com.au/search?q=sem+ ... 8Qfb_ICYDw

this is just one

some more results to browse through

https://www.google.com.au/search?q=sem+ ... 8Qfb_ICYDw
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February 15th, 2014, 04:05 PM   #4
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Re: Sem to kokosan rebuild possible?

I like this this one by hirbman

depending on where your kokusan components come from the signal coil either goes at the front or the back.









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February 15th, 2014, 04:35 PM   #5
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Re: Sem to kokosan rebuild possible?

are these conversions using the kokusan running dry like the SEM? appears that way. would it last longer if it were wet, or is that even an issue? If someone had thought of this when I had my 01 550 it would have saved me a pile of money on stators!
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February 15th, 2014, 04:38 PM   #6
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Re: Sem to kokosan rebuild possible?

could be wrong but it appears that they are dry

that makes it easier to keep the oil inside the engine

I will also be putting a 20mm wide 22206 spherical roller on the ignition side of the crank which doesn't leave much room for a seal so Im going to be running the stator in oil.

the kokusan igns are run in oil on other bikes so it should be OK
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February 15th, 2014, 05:53 PM   #7
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Re: Sem to kokosan rebuild possible?

Are the bergs that came with kokusan dry also? I didnt think of that, never owned one of that era. No doubt having an adapter in there will make sealing a challenge.
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February 15th, 2014, 09:16 PM   #8
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Re: Sem to kokosan rebuild possible?

yes the oem husaberg kokusan is dry
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February 16th, 2014, 02:56 AM   #9
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Re: Sem to kokosan rebuild possible?

Originally Posted by ned37
Is there any way to convert the SEM to kokosan?
no. why would you want to ?
Why ?
Because I rely on the kokusan, but not on the SEM.
It it possible to replace the kokusan with a trailtech stator, if the oem should be discontinued
Not the same for SEM if I am not wrong... is it still possible to get new oem ?

Im quite new to Husaberg, but everyone Italk to agrees that the SEM could just stop working at any time.....
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February 16th, 2014, 03:02 AM   #10
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Re: Sem to kokosan rebuild possible?

Originally Posted by bushmechanic
alot of good stuff
Hi Buschie !

Thanks, did not know that the KTM´s had the sensors "backwards", that helps some !

Whell, I now know that it is doable !
Please let me know when you are done with your convertion and running.

Would be nice to have the same harness for both engines !
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