The Benelli is pre-mix. I’ve been using Motorex full synth 2-stroke at 50:1 My KTM 300 called fro 60:1, my Beta averages about 88:1 (oil injected). With the oils in 1972, they called for 5% - but even back in the later 70s, I ran much leaner (I think 40:1) with the oils that had come out. BUT, I wan...