Author Topic: baffled by no spark condition on Poulan 3300/Craftsman 358.356330. Coil resistance values?  (Read 470 times)

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Offline Al Smith

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This happened .On an Echo weed wacker I lost the spark,new coil, still no spark .One magnet in the flywheel had  lost part of it's magnetism .I stroked that magnet with a rare earth powerful magnet and restored it .However after sitting over the winter it again lost magnetism .You can kind of test of the magnets with a small screwdriver by seeing how much pull they have .
The power a magneto puts outs depends on the strength  of the magnets and the relative  speed they rotate passed the laminations of the coil .My father had an old Husky garden tractor that never had any spark after sitting over the winter .He wound it up with the engine from a reel type mower  at full throttle,3600 RPM .It started and did so the rest of the summer .Now weather that restored some of the magnetism or he scared the old engine  to death I'll never know but it worked .Come or bleed you rascal --- ;D
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