Cooper Convertible (R57) L4-1.6L (N12) (2009)
Remove compression ring and stepped ring upwards with piston ring pliers.
Oil scraper ring comprises two steel band rings and a support spring.
Note:
Oil scraper ring cannot be removed with piston ring pliers.
Put aside piston rings in correct sequence and installation position.
It might not be possible to find the identification on used piston rings.
Installation:
New pistons may only be installed together with new piston rings.
Determine gap See: Specifications/Mechanical Specifications/Technical Data/Pistons With Rings and Pins/Pistons with Rings and Pins N12 with a feeler
gauge.