22-23 | Rotax Piston Assembly (53.97mm) 50mm Bearing Selecting the right mounting option

Selecting the right mounting option for your kart can be a challenge

Insufficient break-in leaves behind peaks on the cylinder wall that prevent the rings from seating

The Kart Stand Stop Pack is a compatible product that helps protect your kart when rolling the stand over uneven terrain

95mm: This is a standard hub width for many karts

22-23 | Rotax Piston Assembly (53.97mm) 50mm Bearing Selecting the right mounting optionPiston Assembly for Rotax Max Evo engines. The piston size with this assembly is 53. 97mm, and the entire assembly is built to install in any Rotax Max Evo engine. The piston and ring are included in this component, denoted by parts 22 and 23.