Ratio-Rite Measuring Cup Stop guessing and start riding. The Ratio-Rite Measuring Cup helps you mix for your 2-cycle without making mistakes. The lines are easy to read, so you can spend more time figuring routes, and less time figuring fuel mixtures. With Ratio Rite measuring cup get a perfect mix every time Fill to the pre-calibrated ratio mark and pour into gas Ratios are from 161 to 441 for 1, 1-12, 2, and 2-12 gallons Calibrations also include oz., c.c.s, and pints on the opposite side for transmission oil, fork oil, etc Total capacity is 24 oz. Polypropylene construction Optional Stay-Clean Lid Available