DRZ is dry sump and nothing to do with hydraulic valves or hydraulically driven variable timing.
The bike needs to be recently run to check the oil level. The dipstick is way up on the frame that acts as the oil tank. It is not down on the case.
Advanced pancreatic cancer found 04/2010. Have outlived +/- 97% of patients with this diagnosis, but 08/2013 cancer now in liver, vascular system and lungs with 20+ lung tumors. Sick/weak sometimes, not riding much. No more treatments & now under Hospice care.