How do you replace a head gasket on a 1989 Toyota MR2?

To replace the head gasket on a 1989 Toyota MR2, first ensure the engine is cool and disconnect the battery. Remove the intake and exhaust manifolds, along with other components obstructing access to the cylinder head. Carefully unbolt the cylinder head and remove it, then clean the surfaces and replace the old head gasket with a new one, ensuring proper alignment. Reassemble all components in reverse order, ensuring all bolts are torqued to the manufacturer's specifications.