Originally Posted by Dfens
...back on topic:
I feed mine Miller's CFS 10W60 which is about 15% cheaper than Selenia (if you can find it).
Not a good choice as it is only ACEA A2-96 B3-98. The manufacturer states a specification of A3 B3. I personally use Silkolene ProS 10W50 which i think is the best oil for this engine and the use that i do.