The pistons are made of aluminum alloy.
The top of the pistons utilize a taper squish shape to achieve fuel combustion efficiency.
The piston skirt is coated with resin to reduce friction losses.
|*1||No. 1 Compression Ring||*2||No. 2 Compression Ring|
|*a||Front Mark||*b||Resin Coating|
|*c||Taper Squish Shape||-||-|
By tilting the sidewalls of the piston towards the piston center, the combustion pressure is better distributed to the piston pin. This allows for higher power output capability.