GOOD NEWS. . . . The PICTURE UPLOAD FUNCTION IS WORKING !!! The tech folks at the parent company have been able to remedy the issue. You can upload pictures once again. Thank you for your patience.
And the drain would be at the lowest point on the lower unit. Bend over and look under the lower gearcase housing adjacent to the skeg. You can't make oil drain up hill so it must be at the lowest point in the system.