for Lambretta 125 LI/LIS/DL/GP/150 LI/LIS/SX/DL/GP/175 TV 2??-3?? carburettor inner diameter: 22mm outer diameter: 30mm Product description The S.I.L. (Scooter India Limited) company obtained the original Innocenti scooter production tooling in the early seventies and they promptly began producing their own Lambrettas in India until the late nineties. They still produce spare parts at their factory which are usually the only alternative to used components. OEM numbers (for comparisons): 22011004 (INNOCENTI)