This 50:1(2%) ratio measuring cup could perhaps be the handiest item a scooter enthusiast can have in their trunk This is no measuring cup borrowed from the kitchen Description This 50:1(2%) ratio measuring cup could perhaps be the handiest item a scooter enthusiast can have in their trunk. This is no measuring cup borrowed from the kitchen. This ingenious little beaker shows you the right amount of oil to add to 1 gallon, 1/2 gallon, and 1/4 gallon of gas for a the perfect 50:1 ratio. Maximize the mileage and lifespan of your favorite 2-stroke machine, every time no matter where you are. It’s small enough to fit virtually anywhere. Pick up a few and stash them around so you can always be ready to hit the road. WARNING California Residents : Proposition 65 Warning