Piston kit Asso Werke 5430
Listed for use with Polini big bore kits for Rotax 125 & 123 motors
It can be used to create porting differences in tuned engines.
Please check piston details to confirm fitment to your machine
Excellent quality Italian cast pistons by Asso Werke whose pistons are often specified as OEM spec by major manufacturers
Piston details:
Nominal bore diameter 60mm
Crown height 29mm
Dome height 3mm
Overall height 64mm
Piston rings 2 x AC4CR 1mm thick
Gudgeon pin 15 x 48.5mm
2 large intake ports in piston