Installation instructions are same for all bikes (790/890 all MY and 2013-2020 1090/1190/1290 Adventure R/S).
Contents of the kit
4 x spacer 20/8.2-23
1. Unbolt 4 bolts and remove OEM luggage rack plate.
2. Place four spacers above the holes.
3. Install the rack back on, using same bolts.
4. Tighten the bolts, in alternating pattern. Torque to 20 Nm.
5. After first few hundred kilometers with rack installed, check the bolts and re-tighten if needed.