if you have a ratio rite cup is 650cc.theres also a little glass window on the right side of the cover toward the bottom and back of the cover and there is lines to tell you where to fill is to
I think i read somewhere on here something like 22 oz, i think that's right. Which is just under a quart? haha, I can't remember. I'm probably wrong. But i've gotta change mine after next ride
Its about 3/4 of a quart. Like stated before, just look at the little spy glass by the rear brake pedal and put enough fluid in so that its between the 2 lines