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Chainsaw
OLD husqvarna rancher 50 not starting - seems to have spark, compression, fuel, timing?
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<blockquote data-quote="Pioneer" data-source="post: 8026447" data-attributes="member: 5318"><p>Sometimes you can get a spark outside the engine, but not under compression. Check both ends of the coil wire, they can come loose. Then check the wire resistance, it should be next to nothing. If it all looks good, suspect the coil, I've had bad coils drive me nuts when they mimic the saw never wanting to stay in tune. The usual giveaway is when the coil heat soaks, fails, and then restarts again when cold. </p><p>In your case it might be throwing the timing out if its bad. I've had a Ducati coil go bad on me on a 257, which interchanges on the 50-55.</p></blockquote><p></p>
[QUOTE="Pioneer, post: 8026447, member: 5318"] Sometimes you can get a spark outside the engine, but not under compression. Check both ends of the coil wire, they can come loose. Then check the wire resistance, it should be next to nothing. If it all looks good, suspect the coil, I've had bad coils drive me nuts when they mimic the saw never wanting to stay in tune. The usual giveaway is when the coil heat soaks, fails, and then restarts again when cold. In your case it might be throwing the timing out if its bad. I've had a Ducati coil go bad on me on a 257, which interchanges on the 50-55. [/QUOTE]
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