Home › Forums › TaG › Rotax Max › Castror Oil OK in a Rotax? › Reply To: Castror Oil OK in a Rotax?
Castor will do you no favors in a Rotax. It can really muck up the power-valve, and it will certainly throw jetting off. Both of which are critical for having a ‘fun’ time in a Rotax kart. Motul or XPS are your best choices.