aRacer RC Mini XX - Yamaha Zuma 125 ('09-15)

The aRacer RC Mini XX is here, and it's the biggest jump the Mini line has ever taken. This is a full standalone ECU for the first-gen Yamaha Zuma 125 (BWS125) — not a piggyback. It completely removes your stock ECU and hands you full control over how your scoot runs, tuned entirely from your phone.

The Mini XX runs aRacer's new X-TUNE app platform over a built-in Wi-Fi connection, so you're monitoring engine vitals and making changes in real time without a laptop or an external controller. Under the hood, a new 4-core MCU makes it roughly 25% faster than the outgoing Mini X, a redesigned GaN power supply runs ~50% more efficiently for more stable delivery, and a new 360-degree antenna pushes Wi-Fi signal strength up over 200% (5dB) versus the previous generation. It's also eBoost-capable for motor-power control on supported setups.

Whether you're throwing on a big bore, upgrading injectors, or just want to clean up how your Zuma runs, the Mini XX gives you the headroom to actually tune it right.

Key Features:

• Full standalone ECU — complete stock replacement, no piggyback
• 100% plug-and-play, no harness modifications required
• New X-TUNE app platform with built-in Wi-Fi + phone control
• 4-core MCU, ~25% faster processing than Mini X
• Redesigned GaN power supply, ~50% more efficient
• 360-degree Wi-Fi antenna, 200%+ signal strength
• eBoost capability on supported models
• OTA updates + unique ECU ID for online feature unlocking
• CNC aluminum heat sink housing

Important — Burn / Activation:
Each Mini XX requires a quick burn process to load the correct base map for your bike's year, model, and mods. Your box includes an app activation code card — do not lose it (replacement runs $100 through aRacer).

aRacer RC Mini XX – Wireless Beast Mode Fits: 2014-2020 Honda Grom/MSX125 & 2019-2020 Monkey 125

Hardware UPGRADE

• 4-core MCU + new process = 25% faster than the old Mini X
• GaN power + CFD VC aluminum CNC heatsink = bulletproof cooling, zero thermal throttle
• 50% more efficient power supply = rock-solid voltage, longer battery life

CONNECTIVITY ON STEROIDS

• 360° Wi-Fi antenna = 200% stronger signal (5 dB gain)
• X-Tune App streams live data to your phone—no wires, no lag

FULL ECU TAKEOVER

• MGU mode completely replaces stock ECU
• eBoost ready – instant power when you want it

BUILT FOR THE APOCALYPSE

• RGB LED status ring – know what’s happening at a glance
• IP67-grade shell + rugged structure – rain, dust, vibes, whatever

TUNE LIKE A PRO, ANYWHERE

1. Data Log every run, replay every corner
2. Dial Fuel | Spark | Engine | Vehicle settings live
3. Save maps, name them, share with the squad

Electrical items are Non-Returnable, Non-Refundable & have no Warranty. Please contact us if you have any questions or concerns.

Use at own risk. For closed course competition use only; Not intended for street use. No sale to California.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.