electrical what does SDI stand for
Ski-Doo SDI-a quite different and more economical route to low two-stroke emissions and fuel consumption. SDI stands for Semi-Direct Injection, and it describes a system by which fuel is injected, not into the combustion chamber, but into the fast-moving air streams in the rear transfer ports.DI stands for serial digital interference. It is a video interface used within broadcast environments and supports both SD and HD signals. It runs on a single co-ax cable wit â¦ h BNC terminations.