Ok I have heard some issues with the KTM 250 EXC overheating , with a uotright shutdown, I was out in the Wrentham Forest Sunday, Put in 12 miles of losse trails ( Thanks to the quads) and I ad a issue with the bike just stopping, let it sit for 10 minutes, then it was fine, ran it another 10-15 minutes same thing, now with no spark, ?? I had to push her out of the woods, and it ended my riding day very early , anybody have a clue, Coil ??