How to Replace rocker cover gasket on a Hyundai excel?

To replace the rocker cover gasket on a Hyundai Excel, first, ensure the engine is cool and disconnect the battery. Remove any components obstructing access to the rocker cover, such as the air intake or throttle cable. Unscrew the rocker cover bolts and carefully lift off the cover, then remove the old gasket. Clean the mating surfaces, place the new gasket in position, and reassemble by reversing the disassembly steps, ensuring all bolts are tightened to the specified torque.