like AKA driver said and quote premixing is required for 2 stroke engines .
Rotaries act like 2 stroke engines in the way they run and fire. In that sense for a rotary a premix solution indeed might help.
Like AKA driver said premix is completely unecssary for 4 stroke engines . It does not give you any advantages and in fact may gunk up your combustion chambers and intake tract. Most things like marvel mystery oil , royal purple and such are high detergent products all they do is clean carbon out . On an old engine it sometimes help.
As far as KA24e 's vs DE's goes they are still both 4 stroke engines and premixing is a waste of time .
I.E. I would not recommend nor would Nissan. Period.
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