How do you change spark plugs in Mazda rx7?

To change the spark plugs in a Mazda RX-7, first ensure the engine is cool and disconnect the battery. Remove the spark plug wires or ignition coils, then use a spark plug socket and ratchet to carefully unscrew the old plugs. Inspect the old plugs for wear, then install the new ones, making sure to torque them to the manufacturer's specifications. Reconnect the spark plug wires or ignition coils and reconnect the battery to complete the process.