An ignition armature must be set at a precise distance from the flywheel. Your engine repair manual will provide the proper gap for your engine. Common armature gap ranges are .006 - .010" and .010 - .014". Armatures are often packaged with a shim to assist in setting the gap. Index cards of the proper thickness also work well.. What is the gap setting for the magneto armature on a briggs & stratton engine model 31f707? I bought the machine used. By chatting and providing personal info, you understand and. Model Series Type Armature Air Gap ( in. ) 120000 Horizontal Shaft OHV Single Cylinder .010 / .014.
Visit http://www.thesmallengineshop.net**Always follow the instructions in your repair manual when doing repair or maintenance work on Outdoor Power Equipmen.. 595304 - Briggs & Stratton Armature-Magneto Ignition Coil - New. Sale price $53.99. Add to cart. Add to cart. Ready to ship.. Set the ignition coil air gap between 10/1000-in and 14/1000-in and torque the screws to 30-lb-in for optimal performance. Installation instructions and a helpful video guide are available to support your DIY repair.