Wisconsin VE4(D) VF4(D) Magneto Timing

GE 200 amp welder 70 years old or more. Still runs and welds well.
Wisconsin VE4(D) VF4(D) ('D' stands for Stellite exhaust valves and seats.)
Remove #1 spark plug. (Front left hand cylinder.)
Rotate flywheel clockwise until air is sensed coming out of spark plug hole.
Bring flywheel so 'DC' mark is lined up with vertical centerline mark and leave it there.
Install mag so 'X' mark is visible in lower half of the inspection hole.
Impulse should click at the left-hand upper mark, 1-3 centerline.
Lower left-hand mark is 23 degrees advance for checking with a timing light.
Upper right-hand mark is 2-4 centerline.
Firing order is 1-3-4-2. Wire order is 1-4-3-2.
Cap is marked. Place #1 wire in top right cap tower, as viewed from the rear.
(Rotation is counter-clockwise looking at cap from rear.)
#4 wire in top left. #3 wire in bottom left. #2 wire in bottom right, viewed from rear.
Magneto point gap .015". Plug (Champion D16) gap .030" (Or less, maybe .025" for long mag life.)
Magneto that came with this engine is a Fairbanks Morse FM-XV4B7.