HOW TO CHECK PISTON RINGS

Types and Functions of Piston Rings
Compression Rings or Pressure Rings
Compression rings provide sealing above the piston and prevents the gas leakage from the combustion side. Compression rings are located in the top grooves of the piston but this may differ according the design of the engine. These rings seal the combustion gases and transfer heat from the piston to piston walls.
Second or...