How do you replace piston rings on a 1987 Toyota MR2?

To replace the piston rings on a 1987 Toyota MR2, start by removing the engine from the vehicle for easier access. Disassemble the engine by taking off the cylinder head and oil pan, then carefully remove the pistons from the connecting rods. Using a ring compressor, install the new piston rings onto each piston, ensuring they are oriented correctly. Finally, reassemble the engine, reinstall it in the vehicle, and ensure all components are properly secured.