Part boil your cauliflower for about 6 minutes. Refresh it in cold water, allow it to drain and then either just dust lightly with seasoned flour and deep fry or flour, egg and breadcrumb it and deep fry.
The only thing you need to do is put the motor in the verticle position when you take it out of the water. The water will drain out. Yes, even the water that is in the "water pump" will drain. DON'T DRAG YOUR LOWER UNIT ON THE GROUND.
Changing the oil in an Exmark depends on the model. Look for the opening to drain the oil underneath the Exmark . Unscrew the cap with a wrench and drain the oil. It is recommended to change the filter and refresh the oil every 100 hours.