hello, I have a 1988 xt600 with only kick start. when I got this bike it started, but was backfiring severly. went to start it again, and it kicked back so hard that it broke the right side cover, clutch bastet and the kicker stop....repair this problem, and then checked the spark....what i found is that even the slightest movement of the engine, the plug fires.....when I kick it over, it sparks so much that the plug almost glows......is this a pick-up coil problem or something different?????? any help is appeciated!!!!!