Rotax 912/915 iS: The SV-EMS-221 is designed to support the fuel injected Rotax 912/915 iS. It receives many engine parameters directly from the 912/915 iS engine computers via a dual-channel CAN bus interface. Engine parameters available from the 912/915 iS engine computer include RPM, manifold pressure, oil pressure, oil temperature, coolant temperature, EGT for all four cylinders, ECU voltage, and engine hours. All the other normal SkyView SV-engine functions are still available through regular connections, including fuel level, trim position, battery voltage, and contacts. The SV-EMA-221 replaces the SV-EMS-220 - both cannot be used with the same engine.