took some finding
http://forums.sv650.org/showthread.php?t=115371&page=3
Post #22
Prepare to hinge your tank up and attack the screws on the side of the carbs to remove the choke plungers (follow the choke cable if needs be) easier to find the one on the front carb (which is less accessible) and then look on the rear one now you know what to look for, if that makes sense.