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Thank you; exactly what I needed to know. I think that means my flywheel is good. Maybe the spark is not as weak as I thought. I think I'll pull the carb off and clean it.

I have a Stihl MS291 that will not start. It has a weak spark; certainly weak compared to my MS461. Tested the wiring and kill switch, no problem. New spark plug, and I replaced the ignition module, gapped to .010, no change. Now I suspect an issue with the flywheel magnets. There are four...