Thread: Testing a CDI
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Old 04-17-2018, 01:38 PM
New2GG New2GG is offline
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Join Date: Oct 2017
Posts: 5
Default Question for the Experts

Have a no spark/intermittent spark issue that just started on my 2013 XC300E. Bought the bike in the fall from a guy that raced quite a bit and have about 20 hours on it. It's never run right (buttery smooth down low rpm, but almost zero top end). Have checked reeds, PV, repacked muffler, etc. Was just about to start on jetting, but now think it's been a fauilty CDI all along and that the CDI just failed. Funny thing is it has a JD Racing CDI model GG2T in it from the Racing edition (model EE511003013CT) not the Kokusan ME250634007 that came stock. In troubleshooting the electricals last night I found the following:

Charging Coil
White - Yellow 0.75 ohm should be 0.16 ohm
Yellow - Earth 1.75 ohm should be 0.67 ohm
Impulse Coil
Red - Green 106 ohm should be 100 ohm
Exciter
Bl/R - R/W 15.2 ohm should be 12.7
Coil
White/Blue - Earth 0.7 should be .425-.575
White/Blue - Ign 11.1 should be 10.8-16.2

Obviously, the charging coil is out of spec. Lithiom Battery still doing OK though. Do I replace the stator any ways? If so, do I use the KTM 50339004200 or the KTM 54839204000?
Also, I suspect the CDI needs replaced and I see that both of the above linked GasGas CDI's are still on eBay. Will either of them work with mine? Am I missing anything else? Sorry for all of the questions. Just want to get this bike running properly and not break the bank doing it! Thanks in advance for you help.
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