Rear drive oil drain pan
Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models
Thanks to Charlie Mullendore of Antietam Classic Cycle for sending me this information via email. In Charlie's own words and photos.
Changing the oil on any Guzzi with thedeep sumprear drive housing is not my idea offun. Using an old rocker cover (trick learned from Mark @ Moto Guzzi Classics) at least makes it a little less messy.