aRacer RC Mini X ECU – Honda Grom 125 Engine Management System (2022+)

⚠️ NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.

aRacer RC Mini X Engine Management ECU – Honda Grom 125 (2022+)

Take full control of your 2022+ Honda Grom 125 with the aRacer RC Mini X — a complete OEM ECU replacement that eliminates the limitations of stock engine management. Unlike piggyback systems, the RC Mini X fully removes the factory ECU, giving you unrestricted tuning authority over fuel maps, ignition timing, and engine behavior with no interference from OEM logic.

Key Features

• Full OEM ECU Replacement – Not a piggyback; completely replaces the stock ECU for clean, conflict-free tuning
• 100% Plug & Play – No wiring modifications required; direct bolt-in for 2022+ Grom (JC92)
• Wi-Fi Smartphone / Tablet Tuning – Adjust fuel maps and settings wirelessly via the aRacer app on iOS or Android
• Real-Time Engine Monitoring – View live engine vitals including RPM, throttle position, and more directly on your phone
• Eliminates OEM ECU Conflicts – No more random fueling changes or restrictions caused by stock ECU interference

Compatibility

• 2022+ Honda Grom 125 (JC92)
• 2022+ Honda Monkey 125

What’s in the Box

• aRacer RC Mini X ECU unit
• Plug-and-play wiring harness adapter
• Setup documentation

Tuning via the aRacer app (free download). Wi-Fi connection required for map uploads and live monitoring.