Just done exactly that on my 2018 bike.. I replaced with a Marz Bomber Z2 https://www.mbr.co.uk/reviews/forks/marzocchi-bomber-z2 and its lovely..
things you will need:
Yes, the 1.5 - 1.25 taper will fit but you will find that the headset is probably a reducer - my Suntour forks were a 1.25...