SRAM Rock Shox Yari 2019 Service Manual page 24

Remove the quad ring seal from the air piston and discard it.
7
Clean the air piston.
Apply grease to a new quad ring seal and install it.
Do not scratch the air piston. Scratches will cause air to leak.
Clean the inside and outside of the upper tube.
8
Inspect the inside and outside of the upper tube for damage.
Scratches on the inside surface of the upper tube can cause air to leak.
If an internal scratch is visible, the crown steerer upper tube assembly
may need to be replaced.
NOTI CE
NOTI CE
24
Air Spring Removal