Please note:

These are not available for purchase online. This is purely for informational and pricing purposes. Please contact us directly for details on a MoTeC ECU for your project.

The M84 is a versatile, race-bred ECU that is suitable for a broad range of high performance applications, including engines with up to 8 cylinders. It also suits rotary engines with twin, triple or quad rotors.

This new, entry level ECU is based on the advanced technology in MoTeC's benchmark M800, with a package of features to suit more moderate system requirements. It includes on-board Wideband Lambda plus 1MB of data logging memory as standard.

Now with Nitrous Injection and 100 Hz max logging rates!

Install it as a stand-alone ECU or as part of a complete motorsport-ready engine management and data acquisition solution.


    • 8 x Injector outputs - high or low ohm
    • 6 x Ignition outputs
    • 8 x Auxiliary outputs - for functions such as boost control, idle speed stepper motor and many more


    • Throttle Position
    • Manifold Pressure
    • Mass Air Flow
    • Fuel Pressure
    • Oil Pressure
    • Exhaust Temperature
    • Gear Position
    • User 1
    • Air Temperature
    • Coolant Temperature
    • User 2
    • 3 x Switched Analogue Temperature
    • 2 x Lambda Inputs (supports Wideband and Narrowband sensors)
    • 4 x Digital Inputs (wheel speed or switch)


    • 1 x CAN
    • 1 x RS232


    • Case size 147 x 105 x 40 mm
    • Weight 500 grams
    • 1 x 34 pin and 1 x 26 pin waterproof connector with gold plated contacts

    M84 Brochure

    Datasheets > Engine Management > Hundred Series/M84
    CDS13084 M84 ECU Data Sheet

    User Manuals & Guides > Engine Management > Hundred Series/M84
    M84 User Manual

    Related Items