4.16.10.17.64 12μF Polypropylene Capacitor PP 450V ac ±5% Tolerance. Ducati 4.16.10/15 series are snap-in (quick connect) Polypropylene film capacitors. They are an electric motor capacitor used to start and run. The case and cover feature a self-extinguishing plastic material, the capacitive element is sealed with polyurethane resin. These 4.16.10 series film capacitors are supplied with the main international approvals (IMQ-VDE-UL-GOST). Operating temperature -25°C to +85°C.