Flywheel key checked ?----Does it still have the powerpack under the flywheel ?----Does spark jump a gap of 3/8" or more on both leads ?-----Does primer bulb go hard ?----Any signs of melted wiring ?
???----Find the point of maximum opening.----Adjust it to 0.020"------There is nothing simpler in my opinion.-----Brilliant that you can do this kind of maintenance at your remote cabin without any special tools.