KTM Duke 2 2001 electric problem - KTM Forums: KTM Motorcycle Forum
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post #1 of 103 (permalink) Old 12-03-2016, 04:52 AM Thread Starter
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KTM Duke 2 2001 electric problem

Hi guys!

Im new in forum and first time Ktm owner and happy about it but would appreciate your help since I bought a winter project for winter fun but some electric system components are not original anymore and do not get spark. Last owner crashed the bike and there is no ignition, speedometer etc but he said that bike was running like it is at the moment (Picture below).


I got starter running and tested ignition coil (IG 3826) and got blue/white - ground result of 01,1 ohms but manual says it should be 0,425 - 0,575 ohms. Is this a problem ? (Picture below).
Blue/white - ignition wire result was 12,7K ohms and should be 10,8k - 16,2k ohm. So this looks right.
Also CDI box (Kokusan CB7459 7G11) black wire is not connected to anywhere. Is this should be grounded to the frame ? (Picture below).

Also tested pulsor coil that should be 100 +- 20 and got result of 93,8.

I know that it might be CDI problem aswell but is there a way to test it somehow ?

Thank you guys for all the thought!!

Karel
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post #2 of 103 (permalink) Old 12-03-2016, 05:39 AM
DW
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Welcome to the forum.
You are correct with the black wire coming out of the cdi. It should be connected to earth, (bolted to the frame somewhere).
That is probably the whole problem.
If I figure out how to do it, keep an eye on your pm's. I will send you an early Christmas present.
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post #3 of 103 (permalink) Old 12-03-2016, 08:04 AM Thread Starter
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Thanks! I will install black wire to the frame tomorrow.

Can someone please comment about ignition coil (IG 3826) and that I got blue/white - ground result of 01,1 ohms but manual says it should be 0,425 - 0,575 ohms ?

Thank you!

Karel
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post #4 of 103 (permalink) Old 12-05-2016, 12:29 PM Thread Starter
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Installed black wire today but no luck, still no spark.

Can someone please comment about ignition coil (IG 3826) and that I got blue/white - ground result of 01,1 ohms but manual says it should be 0,425 - 0,575 ohms ?

Or any other ideas what to check about spark ?

Thanks!
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post #5 of 103 (permalink) Old 12-05-2016, 10:36 PM
DW
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Quote:
Originally Posted by mozkito View Post
Installed black wire today but no luck, still no spark.

Can someone please comment about ignition coil (IG 3826) and that I got blue/white - ground result of 01,1 ohms but manual says it should be 0,425 - 0,575 ohms ?

Or any other ideas what to check about spark ?

Thanks!
I don't have a coil here handy to test sorry, sometimes a dirty plug or connector or lower quality multimeter can cause a higher primary resistance reading. Though even if the resistance was that reading, I would still think you should get something at the plug. If it's all been tampered with my guess would be that you still have a wiring issue. Do you have a wiring diagram for the bike?
Have you got any other motorcycle coils you can use to just plug in and see if you get spark?
Have you checked your private messages?
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post #6 of 103 (permalink) Old 12-06-2016, 02:59 AM
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You need to subtract the resistance of the multimeter leads themselves.
Mine only read about 0.3 ohm but longer / thinner leads or bad connections could read higher.

Last edited by Sideshow; 12-06-2016 at 04:04 AM.
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post #7 of 103 (permalink) Old 12-06-2016, 02:48 PM Thread Starter
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Thanks!

I will check multimeter tomorrow and try to measure with another multimeter aswell.

I have not found other coil or CDI yet to try but hope to get it from someone soon since my winter tires will be done soon and excited to try them

Regards,
Karel
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post #8 of 103 (permalink) Old 12-11-2016, 08:06 AM Thread Starter
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Hi guys!

Still no result but I was looking to buy new cdi to try but Im little bit confused since description of the bike is the same in the adds I found but cdi is different. Mine has wires coming out and code is CB7459 but new ones I found have plug and code is CB7498.
Does somebody know if there is a way I can make it work on my bike ?

Karel

Last edited by mozkito; 12-11-2016 at 08:08 AM.
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post #9 of 103 (permalink) Old 12-11-2016, 08:11 AM
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wiring diagram as DW mentioned earlier, you need to confirm correct connection before testing further.

current -2007 690SM
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post #10 of 103 (permalink) Old 12-11-2016, 08:13 AM
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i cant figure out your exact model?

current -2007 690SM
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