ROTAX DD2 Cylinder

The technical specifications of the cylinders remain unchanged but the digitally printed, single piece sand cores in combination with an additional Computer Numeric Control (CNC) of specific ports brings parity to the next level.
 
BRP-Rotax is convinced that the introduction of this new manufacturing technology is another important step towards equal opportunities and customer satisfaction.

https://www.rotax-kart.com/en/Community/Newsroom/2017/100-ADVANCED-CYLINDER-MANUFACTURING-TECHNOLOGY-FOR-ROTAX-125-MAX-and-125-MAX-DD2-ENGINE