The connecting rods are in hardened steel with a copper bush (1) press-fitted for connection to piston pin (2). The floating pins are held in place by two expansion rings (3) that are housed in grooves on the piston hubs.
PISTONS
Specifications
Type
The silicon light alloy pistons with autothermic inserts are subdivided into three size categoriesAn OMEGA-shaped combustion chamber in the piston crown improves combustion efficiency.The piston is coupled to the pin by means of two copper alloy bushes.