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Was working and shut off.Went to restart and no go.Changed plug,air filter and fresh gas.No help.Probably a bad coil?

Stihl, Husqvarna? Model & Serial #'s. How new is blower? 93 octane gas plus 2 cycle oil? What brand oil?
See Service Manual Troubleshooting Guide page 14 by clicking above. Let us know how it goes, thanks, Mark

Echo lb251 echo fuel premix

homer888 said:

Echo lb251 echo fuel premix

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Sure it's not a PB251?

In any case, the most likely problems are a broken or cracked fuel line or a shorted/grounded kill wire. They're not only the most likely, they're the cheapest to fix!

Also check the muffler's spark arrester.

Tbone0106 said:

In any case, the most likely problems are a broken or cracked fuel line or a shorted/grounded kill wire. They're not only the most likely, they're the cheapest to fix!

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How do I check for this?Shorted wire.

homer888 said:

How do I check for this?Shorted wire.

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The simplest thing to do is disconnect the kill wire from the magneto coil. If it starts with the wire disconnected, then the wire is shorted to ground somewhere. It's up to you to figure out where.

Had it checked by another BYM and he said coil was good and checked the switch and still no spark.If coil is good and unhook switch there has to be spark.