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Thank you for previous answers. I got a new panel from Sue, but...please read ahead:

Just delivered my new Mercury 150 Four Stroke.
I hope it will be a better engine than the previous 115 EFI.
The engine is supplied by Mercury with four circular instruments: as per my mechanics they are 2x 86 mms diameter e 2x 52mms diameter.
I have bought a new panel where to drill the holes, but it happens that the four instruments do not fit as there are 4+1 switches already mounted on the new panel.
Since I do not think to be the first to face this problem I would be pleased to hear if and how other people have addressed this problem.
I cannot install the instruments directly on the console since I already have installed a quite large Raymarine instrument and a VHF.
Thank you.

PS
52mms = 2.0472" or 2, 3/64 inch
86 mms = 3.3858" or 3, 25/64 inch