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This procedure is the same for all Fours.
Rotate the advancer to the point that T-14 is on the mark.
Check if cylinder 1 has clearance on both the inlet and the outlet valve.
If not, rotate the advancer 360 degrees, until the cylinder 1 valves both have clearance.
Now adjust the valves pointed with red dots. Rotate the advancer 360 degrees further.
Then adjust the valves pointed with the GREEN dots.
Mind that the image has the exhaust pointing to the front, so the advancer is on the left and Cylinder 1 is at you right-hand side.