OEM Kawasaki Z125 Pro Left Crank Case Gasket for the Left side of the crank case.
While sitting on the bike it the one on your left side.
OEM Kawasaki Z125 Pro Left Crank Case Gasket
This is the gasket used when you install a Lighten Flywheel on the crank case.
Recommend to replace everytime you open the case to ensure there are no oil leaks.