Piston rings size

[Otto]

Hi. Unfortunately i snapt a piston ring. My engine is a 1600 single port Vege engine, and on the top of the piston it is stamped 85,96.
what size piston rings do i need?
86?
kind regards
Otto

 

[K@rlos]

Hi. Unfortunately i snapt a piston ring. My engine is a 1600 single port Vege engine, and on the top of the piston it is stamped 85,96.
what size piston rings do i need?
86?
kind regards
Otto

85.5