Question about Troy Bilt Tb70ss Gas Trimmer
Make sure you have tested for spark correctly with either a spark-tester or by pulling the starter with the plug out and grounded to the engine. If this is indeed the case, then, some disassembly will be required so you can check the coil module to flywheel air gap. If it is too wide, there will be no spark or it will be very weak and if it is too narrow, there could be posssible slight dragging/rubbing betweend the legs on the coil and the magnets on the flywheel. The correct air gap is about .012-.016"
(or the thickness of a normal business card).
Please vote on this solution.
Posted on Sep 06, 2010
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Posted on Jan 02, 2017
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