New Moto Guzzi Door Mats Available Now
Nope. Yours is the only one that has ever broken. You're probably That's what I thought too, a defective Moto Guzzi throttle cable. Darn thing broke after just 34 years...sheesh
That's all too different from anything I've seen to give advice other than there might be something not stock about your stock setup. The guzzi bars I've been intimate with (none have been clip-ons) have had a hole in the bar to fit a pin on the pod. This pin-in-hole arrangement is what keeps the pod from spinning on the bar. The only time I've seen 'sleeves' between a pod and bar has been when someone is trying to fit an overly large-holed pod to a skinny bar, or the pod has been stretched from over-pinching pinch bolts (like we sometimes see on handlebar clamps).Maybe this will jog someone to correct me (folks here love it when I'm wrong), and that will give you the information you need.
That sleeve is a genuine part and I remember it fitted to my LM2.I can only think it's used to prevent some of the wiring shorting to earth via the handlebars or contacting other wiring, as some of the switch / wiring terminals have a couple of millimetres of bare wire showing. I honestly can't remember how the tang is orientated but it should become obvious when putting the switch assembly back together if you use the tang to prevent any wiring coming into contact with either an earth or other wiring.