Does the term per-mix ring a bell? This is the correct way to do it , otherwise the oil can fall out of the gas in clog your jets and which will cause your motor to run very sluggish and not perform properly.
Mix only in a well ventilated area away from sparks or open flames .
Use adequate ventilation .
Use a clean fuel container with fresh gasoline .
Mix thoroughly before use . (Most important part )
Always follow manufacturer's recommended mix ratios for optimum performance and protection . And remember always be a good sport.
This being said shortcuts will shorten the life your motor .