Fairbanks-Morse 1 1/2 H.P. type-Z hit & miss #1

Fairbanks-Morse hit and miss, type "z" dishpan, gasoline engine, buzz coil (battery equipped), just going to get-er running, no magneto, repair as needed, not a restoration, yes I am going to need parts, gas tank, check valve, piston oiler, muffler, buzz coil, battery, valves, intake and exhaust, valve springs and keepers, head gasket, sparkplug and wire, pully, rings?, hone the cylinder?, and brazing the freeze cracks in the head, new valve guides and valve seats, the big question is, what is the serial number? if it is 518885 it would be a1922 year model,, if it is 318683 it would be a 1918 year model,,??, brass tag says 1 1/2 H.P., leave a comment, subscribe, pass it on, parts are on order,,,,, you'll know what the duck tape girl said when she seen that crack,, I can fix that!,,,