BOS oil level charts and volumes

Year Fork Model Wheel Travel Type
2017Deville 35 26-27.5 160mm
2015Deville 34 26-27.5 140mm
2015Deville 34 26-27.5 170mm
2015Deville 34 26-27.5 150mm
2015Deville 34 26-27.5 160mm
2018Obsys Boost 27.5-29 220mm

To correctly set the oil height, purge the cartridge by working it through its travel
as you add oil. Once the cartridge is completely purged of air, you can set your oil height.