EngiMaster Rotax 91Xis Harness

Part No / SKU: 662011

£217.00 inc. VAT

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Genuine Flybox Avionics Accessory

Flybox EngiMaster ECU Wiring Harness (Rotax 912iS / 915iS / 916iS)

Engineered specifically for modern fuel-injected Rotax 912iS, 915iS, and 916iS engines, this dedicated wiring harness connects directly to the Rotax Engine Control Units (Lane A & Lane B) and the Flybox EngiMaster display. By streaming engine telemetry digitally over CAN-bus, it eliminates complex multi-probe engine wiring while providing pre-terminated branches for airframe fuel levels, high-pressure fuel sensors, and electrical current monitoring.

Compatibility EngiMaster (H & V)

Engine Models Rotax 912iS & 915iS

Data Protocol Dual CAN-Bus (A & B)

Shielding Screened Twisted Pairs

Digital CAN-Bus Architecture

Stream engine parameters straight from the factory ECUs:

Direct Dual-CAN Capture

Connects straight into Rotax Lane A and Lane B communication lines. The EngiMaster automatically captures engine speed, manifold temperature, coolant temperature, and throttle position while monitoring dual ECU online status.

Digital Fuel Calculation

Because fuel flow is derived directly from the Rotax electronic injection computer, you do not need to install or calibrate mechanical fuel flow transducers in the fuel lines.

Airframe Sensor Integration

Includes dedicated, pre-labelled leads for parameters not covered by the engine ECU, including high-pressure fuel rail pressure senders, up to 3 fuel tank level floats, and battery ammeter current sensors.

Screened Noise Immunity

Built with screened twisted pairs and dedicated drain wires, protecting high-speed CAN-bus data frames from ignition noise and cockpit radio frequency interference.

Pre-Terminated System Connections

Rotax ECU CAN Interface: Direct locking connections for Lane A and Lane B digital communication lines.
Digital Telemetry Feed: Feeds the on-screen Coolant/Water Temp (CLT), Manifold Temp (IAT), RPM, and Throttle Position (TP 0–100%) gauges.
High-Pressure Fuel Sender: Pre-wired branch for high-pressure injection fuel rail transducers.
Tank Fuel Levels: Pre-wired inputs for up to 3 individual fuel tanks (capacitive or resistive float senders).
Electrical Sensors: Dedicated leads for aircraft bus voltage and optional battery current sensor (Amps).
Outside Air Temperature: Pre-wired branch for the external OAT sensor probe.

Technical Specifications

Avionics Compatibility	Flybox EngiMaster (Horizontal and Vertical units)
Supported Engines	Rotax 912iS, 912iSc Sport, and Rotax 915iS / 916iS series
Data Protocol	CAN-Bus 2.0B differential pairs for Rotax Lane A and Lane B
Conductor Quality	Aviation-grade, high-temperature, flame-retardant specification
Operating Temperature Rating	-20°C to +105°C continuous engine bay rating
Interference Shielding	Screened twisted pairs with drain grounding on digital CAN lines
Connector Finish	Pre-pinned locking multi-pin connectors matching EngiMaster receptacles

Setup Note: Once the harness is connected, enter the EngiMaster setup menu (Configuration > Engine) and select Rotax 912iS or Rotax 915iS. This tells the system to read parameters digitally over CAN-bus, activates the dual ECU lane indicator [A B], and enables the live throttle position percentage gauge.

Manufacturer / Brand	Flybox Avionics
Part Number / SKU	662011
Fitment Type	Aviation Standard Fitment

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