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For the love of MINI Bikes


ARacer RC Super 2 Stage 3 Ultimate Engine Management System ECU will completely replace the OEM ECU on the Honda Grom/Monkey! This is not a piggyback ECU, the RC2 completely removes the OEM ECU! This will eliminate all of the issues that would occur with the OEM Grom ECU, giving you full control of how the engine will run without any worries of random changes that typically occurs with a piggyback ECU. Adjustments could be made with a laptop. The RC2 is 100% plug and play, no wiring needed!


Comes with Bluetooth Module to communicate with your laptop and/or smart phone.


Availability: In stock

ARacer RC Super 2 Stage 3 is a Complete engine management system that allows you to make all adjustments via a laptop. Pair this up with the correct fuel injector size and you could easily tune your engine to run.   Tuning could be done on a dyno (highly recommended) or safely on a backroad/street using a wideband o2 gauge and sensor with the autotune function.    Optional DG1 and AF1 combo option is available and recommended to be used with the Super RC2 to monitor A/F ratio.       RC2 Super ECU 

Fuel and Injection phase adjustable

Ignition timing and dwell time adjustable

Manifold Air Pressure base for inlet air amount calculation

Released engine speed limited

Environment temp and Baro compensation available

Free MAP download for various vehicle model (Honda, Yamaha, Suzuki, Kawasaki, Kymco, SYM…)

Increase almost 10% above power after calibration (depend on engine model)

Easy plugin (remove stock ECU and install RC1 ECU without any harness modified)

Same connector as stock ECU

Super RC2 ECU meet IP67 specs

Support Auto-Tune with aRacer AF1 wideband sensor module

Race & ECOMAP real-time switch with iMode

Launch mode for racing start

Valet mode for anti-thief or running usage


ARacer RC Super2 Stage 3 for Honda Grom/Monkey



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