Fuel oil mixing

[Whitewill1412]

Here's a little article I ran into on pre mixing

ASK THE MXPERTS: LIFE WITH A TWO-STROKE STARTS WITH A RATIO-RITE

Even though there are fuel-injected two-strokes, all the motocross versions require oil to be pre-mixed into the gasoline. When adding gasoline with oil pre-mixed into it, the internal parts of the engine are lubricated as the engine runs.

motocrossactionmag.com