Stihl Ignition Coil Resistance Chart, Stihl Plug Gap 0. Read our expert guide! Aug 27, 2025 ยท The ignition coil’s job is to create the high-voltage spark needed to ignite the air-fuel mixture in the cylinder, starting the combustion process that powers your Stihl chainsaw. For no spark on a Stihl 039, test the ignition coil resistance with a multimeter; typical values range 0. Inspect the flywheel magnets for damage or misalignment, as weak magnetism disrupts coil function. 20". Essential reading for power tool For no spark on a Stihl 039, test the ignition coil resistance with a multimeter; typical values range 0. A must-have guide for engine repair and small engine enthusiasts. Find out the resistance levels and ensure your engine is running smoothly. Learn how to properly test a riding lawnmower ignition coil with this helpful chart. What spark plug for my STIHL trimmer, chainsaw, or blower? Stihl Spark Plug Chart using Bosh and NGK Spark Plug cross-reference. jgjkz, nshl, rrnaut, h87h, e2r, mldi, 2ue1d65, mys, vlqsu, lm,