https://www.automotivepowertraintechnologyinternational.com/features/tech-insider-mazda-rotary-returns.html?fbclid=IwAR1rc10OpBjzjM8r7YnmlWt6mb_z35uBdzX-iKRnS4OmqBAM-SGFkXbeLoc
Interesting that on the oiling of the 2.5mm apex seals in this new engine, its speculated that much lower oil injection is required due to new material/coating technology.