The Makita 131-140-101 Saw Complete Ignition Coil EA5600F is a replacement ignition component designed to generate the electrical spark needed to ignite the fuel-air mixture. It works by converting flywheel motion into high voltage sent to the spark plug at the correct timing. Proper ignition improve starting reliability, maintains steady engine performance, reduces misfires, and supp... https://www.wholetoolbox.com/makita-131-140-101-saw-complete-ignition-coil-ea5600f