Don't know but a SWAG would say that being a Mako and knowing the fact that some of the industry has been doing used boat purchasers a favor since way back in the late 80's (Ranger Bass Boats for one), I'd say they don't use wood, other than maybe the deck and if it's plastic or fiberglass coated and the boat hasn't been flooded, shouldn't be a problem. With today's preserving and modern methods of manufacturing wooden products, if used for the deck, wooden decks are not what they used to be, especially with an upper cut brand like Mako "skiffs" . Besides soft decks are easy to find....just walk around.
First places to look are where there is heavy traffic and or puddling which would primarily be at the stern, or up from the stern at the first available flat deck location if stern seats, or casting decks, bait boxes, are near the transom....which is also where they put deck drains.
Take a Phillips #2 screwdriver with you when looking and remove a drain cover and you can see right off the composition of the decking material and other things like hull material, flotation material....checking for saturation and all. While you are at bringing tools, also bring a mirror and flashlight and open hatches and look around below and above to see construction techniques and materials.
