Are 2008 Honda civic si valves self adjusting?

The 2008 Honda Civic Si does not have self-adjusting valves; it uses a traditional valve adjustment system. The engine features a DOHC (Dual Overhead Cam) design with hydraulic lifters, which typically require periodic inspection and adjustment to maintain optimal performance. It's recommended to follow the manufacturer's maintenance schedule for checking valve clearances to ensure the engine runs smoothly.