The New Suzuki Quadracer HQ Welcomes All LT500 Quadzilla, LT250, LTR450, LTZ400, LTZ250, LT80 owners to the Suzuki Quadracer HQ forums
It says right by the oil cap. 800 or 1000ml i cant remember. also, there is a Philips screw that you can loosen and once the oil starts coming out of it, it's full.
http://www.suzukiquadracerhq.com/index.php?action=store