CDI units cost $321 :flame: back in 99. I know. I used a B8ES and within one day, the CDI on my 99 KDX was baked. I had ridden the bike trouble free for at least 600 or so miles up till that point. I checked the ENTIRE wiring harness on the bike (To make sure there wasn't another cause), but found nothing out of the ordinary other than the B8ES and a blown CDI.
I replaced the CDI and the plug (With a BR8ES) and rode for another trouble free 2000 miles and sold the bike. Now, maybe it was coincidence that it happened that way, but I'd hate to see it happen to someone else that had been warned.
As a side note, a good friend of mine has a 96 YZ 250 that will miss and stumble on the top end without a Resistor plug. When he replaces it with a resistor plug, no miss, no stumble.
-Kurt