My Deines 1440 zero turn engine began to miss, cough, sputter. Full of gas & oil. After a while it finally died. Took it to a small engine shop. Unloaded under its own power. The guy drove it closer later. Since then no spark at all. 3 years back one of the magnets came loose inside the flywheel. It still had lots of spark but wierd looking. I pulled it, tore it down and found that. Glued it back on reassembled it and away it went. I'm thinkin I might need to pull the flywheel again. Maybe another magnet came loose and damaged some wires this time. Will this engine normally have spark after unplugging the 3 wire plug for the charge/kill system? It don't now. Starter spins it well. Like said before it is an OH 140. 14 horsepower, overhead valve single cylinder.