The Homer Valve regulates how much oil passes through the fork. If the fork experiences a severe and rapid compression strike the valve releases the oil more freely through out the fork, keeping it from locking out. The Homer Valve is included in the 2K and 2K1 Judy Race and SL, as well as the 2K and 2K1 SID XC and 100. HydraCoil is based on BoXXer fork technology. It is an open bath hydraulic system.
Hydraulic fluid is used to control both rebound and compression damping.
An guide to fork suspension oil can be found on this Lubrication Chart. I have a problem with my RockShox product and it doesn t work like it used to. They can contact us further if needed. It must be suspension oil. Our proprietary fork oil is a special blend engineered to give our forks their superior ride.