Command Link® Single Engine Gauge Kit 6Y8-0E83R-91-00
Round Two Gauge Kit

This kit does not include the parts for accessories like a Yamaha NMEA 2000 gateway to be added. But the Gateway can be done by installing these part to an existing or newly created NMEA 2000 network off your N2K display
1 https://www.simyamaha.com/Yamaha_3_Port_Multi_Hub_Assembly_p/6y8-81920-01-00.htm
2 https://www.simyamaha.com/Yamaha_Pin_Cap_Assembly_p/6y8-82582-11-00.htm
1 https://www.simyamaha.com/Yamaha_Pin_Cap_Assembly_p/6y8-82582-01-00.htm
1 https://www.simyamaha.com/COMMAND_LINK_PLUS_AND_COMMAND_LINK_N2K_GATEWAY_KIT_p/mar-gtway-kt-10.htm
Functions:
Functions depend on what engine it is connected too. For all engines 150HP and above: RPMS, engine trim readings, oil pressure, water temperature, battery volts, engine codes, low oil pressure and high water temp warnings, engine maintenance reminder, variable trolling speed control(if engine is capable), water pressure(with optional sensor installed).
Engines below 150hp, all of the same functions as above minus oil pressure readings. These engines only have a oil pressure switch, not a oil pressure sending unit.
Fuel Management gauge and Speedometer functions: Fuel consumption(GPH or LTR), miles per gallon, speed, clock functions