no spark.

My Husqvarna 125B won't start, has No Spark. I haven't yet disassembled to look at Kill Switch but while I am in there I will check the Flywheel-to-Coil gap, Coil Resistance and possible Sheared Flywheel Key. 4 Questions: 1) Should Flywheel/Coil Gap be the usual Business Card dimension? 2)...