How do you change rocker cover gasket 206?

To change the rocker cover gasket on a Peugeot 206, first, ensure the engine is cool and disconnect the battery. Remove the necessary components, such as the air intake and any electrical connectors, to access the rocker cover. Unscrew the rocker cover bolts and gently lift off the cover, then clean the mating surfaces thoroughly. Place the new gasket in position, reassemble the rocker cover, and tighten the bolts to the specified torque. Finally, reconnect any components you detached and check for leaks after starting the engine.