I cut the B/Br 1 inch before the conector,, like the picture show,,,,,,,,,,,,,,,,,,,,,,i disconect the servo motor unplug the cable and remove the set valve
I dont know about the number,,,i read alot of post(gixxer.com) about that mods and alot of people use to say cut the black/brown stip and green ring
in my case this color looks the good one