Delay Orifice Mechanism (2004-2009 models): Function

The delay orifice mechanism improves clutch operation by delaying the slave cylinder release speed when the clutch pedal is suddenly released. The delay orifice mechanism is built into the slave cylinder.

Fig 1: Identifying Delay Orifice Mechanism (2004-2008 Models)

Courtesy of AMERICAN HONDA MOTOR CO., INC.