Here's some pictures of an International Harvester Type "M" 1-1/2 hp Throttle Goverened Engine with overstrike ignitor
Below shows the mag missing along with the oiler
The discoloration by the ignitor is from using the heat wrench to loosen the nuts
Below shows the ignitor removed
Below shows the ignitor removed, check the bug nests on the contact points
Below shows the head before removal
Below shows the head removed, check the crap on the valves and inside the bore
I tried to free up the governor weights and broke one of the yokes that holds the weights. So, I put this one on hold till I can quit crying about it :-(