RE: Engine oils
I have only ever used Marine 2 stroke oil in all my turbines for years & had zero problems. I used the following turbine makes:-
Jetcat P70, P120 & P160.
Wren Mw44 Gold, MW54 & Supersport
Simjet 700, old 1200, new 1200, 1700, 2300, 3000, & Nexus.