1 This is where the front differential drains. Left side of quad as you are sitting on quads.
2 This is the rear gearcase case drain.
3 The top loeft is the motor oil drain. Bottom right in that square cut out is the drain for the tranny. There are two bolts real close togeher it takes a 7/16's wrench. Watch for the washer that is under the drain bolt.
4 It's easy to see which one is the drain, it has the hump around it.