Cooper Convertible (R52) L4-1.6L (W10) (2005)
/l4-1.6l_(w10)/Page-544001.png)
Piston: Description and Operation
Pistons
the pistons are of aluminum construction with a grafal coating applied to the skirt to reduce noise, friction, and scuffing.
the MINI COOPER pistons have flat tops. the MINI COOPER S has a concave piston top with a volume of 1.66cc to reduce the compression ratio.
Note on piston coating.
Piston Coating
