{"product_id":"aracer-rc-super-xx-pro-ecu-honda-grom-msx-125-2012-2016","title":"aRacer RC Super XX PRO ECU – Honda Grom \/ MSX 125 2012–2016","description":"\u003ch2\u003eAdvanced Programmable ECU Control for the Original Honda Grom \/ MSX 125 Platform\u003c\/h2\u003e\n\n\u003cp\u003e\n  The \u003cstrong\u003eaRacer RC Super XX PRO ECU\u003c\/strong\u003e for the \u003cstrong\u003eHonda Grom 125 and MSX 125 2012–2016\u003c\/strong\u003e is a full-replacement programmable engine control system developed for riders, builders, race teams, and professional tuners who need greater control than the factory ECU provides.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  Designed for modified and competition-focused builds, the RC Super XX PRO provides advanced access to fuel delivery, ignition timing, engine response, tuning data, and supported aRacer accessories. It gives experienced users a flexible ECU platform for dyno calibration, track development, engine modifications, and other performance applications.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhat It Is\u003c\/h3\u003e\n\n\u003cp\u003e\n  The RC Super XX PRO replaces the original ECU on supported first-generation Honda Grom and MSX 125 models. Compared with the more compact RC Mini XX platform, the Super XX PRO is intended for builds that require a broader performance ecosystem, expanded accessory support, and more advanced calibration capability.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFull-replacement programmable ECU for supported Honda Grom and MSX 125 models\u003c\/li\u003e\n  \u003cli\u003eAdvanced fuel-delivery and ignition-timing control\u003c\/li\u003e\n  \u003cli\u003eGreater tuning flexibility than the factory ECU\u003c\/li\u003e\n  \u003cli\u003eSupports data-driven dyno testing and calibration development\u003c\/li\u003e\n  \u003cli\u003eDesigned for modified engines and performance-focused builds\u003c\/li\u003e\n  \u003cli\u003eCompatible with supported aRacer displays, wideband modules, controls, and communication accessories\u003c\/li\u003e\n  \u003cli\u003eSuitable for race, track, testing, research, and development applications where permitted\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHonda Grom 125:\u003c\/strong\u003e 2012–2016\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHonda MSX 125:\u003c\/strong\u003e 2012–2016\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eFitment note:\u003c\/strong\u003e Model years, electrical systems, ECU connectors, and wiring configurations can vary by market. Confirm the exact motorcycle model, production year, market version, ECU connector, wiring harness, and supported software configuration before ordering or installing this product.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e aRacer RC Super XX PRO ECU\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Honda Grom 125 \/ MSX 125\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYear range:\u003c\/strong\u003e 2012–2016\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e PA-B302080DB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Full-replacement programmable ECU\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eECU platform:\u003c\/strong\u003e RC Super XX PRO\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRecommended Applications\u003c\/h3\u003e\n\n\u003cp\u003e\n  The RC Super XX PRO is intended for experienced users who need a programmable ECU platform for applications such as:\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDyno tuning and custom calibration\u003c\/li\u003e\n  \u003cli\u003eModified intake and exhaust systems\u003c\/li\u003e\n  \u003cli\u003eBig-bore and internal engine modifications\u003c\/li\u003e\n  \u003cli\u003eRace and track motorcycle development\u003c\/li\u003e\n  \u003cli\u003eData collection, testing, and research\u003c\/li\u003e\n  \u003cli\u003ePerformance builds that exceed the capabilities of the factory ECU\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n  Professional installation and calibration by an experienced aRacer dealer or qualified tuner are strongly recommended, particularly for motorcycles with substantial engine, fuel-system, or electrical modifications.\n\u003c\/p\u003e\n\n\u003ch3\u003eRecommended Accessories\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eaRacer AF3 Wideband AFR Module\u003c\/strong\u003e – provides wideband air-fuel-ratio monitoring for calibration and diagnostic work\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eaRacer PRO-LINK USB Communication Adapter\u003c\/strong\u003e – supports ECU communication and calibration access from a compatible computer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eaRacer DG2 Multi-Function Display Gauge\u003c\/strong\u003e – displays supported real-time ECU and vehicle data\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eaRacer Race Panel 2\u003c\/strong\u003e – provides a larger display and monitoring interface for supported racing applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eaRacer R Button\u003c\/strong\u003e – provides supported ECU function control where compatible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eaRacer QSR V2 Quick Shift Race V2\u003c\/strong\u003e – enables supported quick-shift integration when correctly configured\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eaRacer cable splitters and extension harnesses\u003c\/strong\u003e – support compatible accessory installations and wiring layouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n  Accessory compatibility can depend on the ECU configuration, motorcycle wiring, software version, and installation requirements. Confirm compatibility before ordering.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the RC Super XX PRO?\u003c\/h3\u003e\n\n\u003cp\u003e\n  The original Honda Grom and MSX 125 platforms are widely used for street-performance projects, mini-moto racing, engine swaps, and custom builds. As modifications become more extensive, the factory ECU can limit a tuner’s ability to properly calibrate fuel delivery, ignition behavior, and supporting systems.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  The aRacer RC Super XX PRO provides a more capable foundation for these advanced builds. Its programmable ECU architecture, supported accessory ecosystem, and calibration flexibility allow professional tuners and experienced builders to develop a setup around the motorcycle’s actual engine configuration and intended use.\n\u003c\/p\u003e\n\n\u003ch3\u003eNorth American Support\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSupported by aRacer ECU R\u0026amp;D of America LLC\u003c\/li\u003e\n  \u003cli\u003eU.S.-based technical and product support\u003c\/li\u003e\n  \u003cli\u003eNorth American platform validation and development\u003c\/li\u003e\n  \u003cli\u003eDomestic shipping from California when inventory is available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompetition Use Notice\u003c\/h3\u003e\n\n\u003cp\u003e\n  Some aRacer products are intended for closed-course competition, off-road operation, testing, research, or development use only where applicable. Installation or use on pollution-controlled vehicles may be restricted by local, state, or federal law. The purchaser and installer are responsible for determining product suitability and complying with all applicable laws and regulations.\n\u003c\/p\u003e\n\n\u003ch3\u003eImage Notice\u003c\/h3\u003e\n\n\u003cp\u003e\n  Product images may show a visually similar ECU or an example installation from another application. Part numbers, serial numbers, connectors, labels, or accessories shown in an image might not correspond exactly to the product supplied. Refer to the listed SKU and confirmed vehicle application when ordering.\n\u003c\/p\u003e\n\n\u003ch3\u003eCalifornia Proposition 65 Warning\u003c\/h3\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit\n  \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\n\u003c\/p\u003e\n","brand":"aRacer ECU R\u0026D of America","offers":[{"title":"Default Title","offer_id":45974644097159,"sku":null,"price":969.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/8289\/0631\/files\/r7-3.png?v=1785842584","url":"https:\/\/aracer.shop\/products\/aracer-rc-super-xx-pro-ecu-honda-grom-msx-125-2012-2016","provider":"aRacer SpeedTek","version":"1.0","type":"link"}