How do you fix the time chain on a Mazda 323 1988?

To fix the timing chain on a 1988 Mazda 323, first ensure the engine is cool and disconnect the battery. Remove any components obstructing access to the timing chain cover, then carefully unbolt and remove the cover. Align the timing marks on the crankshaft and camshaft, remove the old chain, and install the new one, ensuring proper tension and alignment. Finally, reassemble the cover and any removed components, and reconnect the battery. Always consult a repair manual for specific torque specifications and procedures.