{"product_id":"honda-grom-ecu-reflash","title":"Honda Grom ECU Reflash","description":"\u003cp data-start=\"146\" data-end=\"560\"\u003eUnlock smoother, stronger power delivery from your Honda Grom\/MSX125 with our \u003cstrong data-start=\"224\" data-end=\"253\"\u003ebasic Stage 1 ECU reflash\u003c\/strong\u003e, designed specifically for stock engines or those with light bolt-on modifications such as an aftermarket intake or a higher-flow exhaust. This service is \u003cstrong data-start=\"409\" data-end=\"451\"\u003enot intended for complex engine builds\u003c\/strong\u003e such as big bore kits, high-compression pistons, aggressive camshafts, or other advanced performance setups.\u003c\/p\u003e\n\u003cp data-start=\"146\" data-end=\"560\"\u003eFrom the factory, these bikes tend to run \u003cstrong data-start=\"590\" data-end=\"598\"\u003elean\u003c\/strong\u003e, especially when fitted with aftermarket exhaust or intake systems. Our calibration addresses this by improving fueling for better performance, smoother throttle response, and a safer air\/fuel ratio.\u003c\/p\u003e\n\u003ch3 data-start=\"562\" data-end=\"585\"\u003eWhat This Tune Does\u003c\/h3\u003e\n\u003cp data-start=\"586\" data-end=\"674\"\u003eOur Stage 1 reflash makes subtle yet effective improvements to your ECU’s calibration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"677\" data-end=\"784\"\u003e\n\u003cstrong data-start=\"677\" data-end=\"715\"\u003eSlight ignition timing adjustments\u003c\/strong\u003e in select conditions and RPM ranges for crisper throttle response.\u003c\/li\u003e\n\u003cli data-start=\"787\" data-end=\"867\"\u003e\n\u003cstrong data-start=\"787\" data-end=\"811\"\u003eRefined fuel mapping\u003c\/strong\u003e to smooth out power delivery and improve rideability.\u003c\/li\u003e\n\u003cli data-start=\"787\" data-end=\"867\"\u003e\n\u003cstrong\u003eIncreeased rev limiter\u003c\/strong\u003e to 9,500 RPM\u003c\/li\u003e\n\u003cli data-start=\"870\" data-end=\"1012\"\u003e\n\u003cstrong data-start=\"870\" data-end=\"910\"\u003eExpanded closed-loop fuel trim range\u003c\/strong\u003e, allowing the O₂ sensor to make broader corrections during normal cruising for better adaptability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1014\" data-end=\"1035\"\u003eOptional Features\u003c\/h3\u003e\n\u003cp data-start=\"1036\" data-end=\"1111\"\u003eAt the time of service, you can request any of the following adjustments:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1114\" data-end=\"1184\"\u003e\n\u003cstrong data-start=\"1114\" data-end=\"1144\"\u003eDisable O₂ sensor feedback\u003c\/strong\u003e (disables closed-loop mode entirely).\u003c\/li\u003e\n\u003cli data-start=\"1266\" data-end=\"1355\"\u003e\n\u003cstrong data-start=\"1266\" data-end=\"1293\"\u003eDisable tip-over sensor\u003c\/strong\u003e (for track or custom applications where it is not desired)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1357\" data-end=\"1388\"\u003eCompatible ECU Part Numbers\u003c\/h3\u003e\n\u003cp data-start=\"1389\" data-end=\"1452\"\u003eThis service is compatible with the following OEM Honda ECUs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-901\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-911\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-921\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-B02\u003c\/strong\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-B13\u003c\/strong\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-B42\u003c\/strong\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-C01\u003c\/strong\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-C31\u003c\/strong\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-G01\u003c\/strong\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-G11\u003c\/strong\u003e\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1455\" data-end=\"1472\"\u003e38770-K26-M01\u003c\/strong\u003e\u003cstrong data-start=\"1477\" data-end=\"1494\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1520\" data-end=\"1536\"\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli data-start=\"1540\" data-end=\"1596\"\u003e\n\u003cstrong data-start=\"1540\" data-end=\"1573\"\u003ePurchase this reflash service\u003c\/strong\u003e through our website.\u003c\/li\u003e\n\u003cli data-start=\"1600\" data-end=\"1692\"\u003e\n\u003cstrong data-start=\"1600\" data-end=\"1620\"\u003eSend in your ECU\u003c\/strong\u003e to our shop for programming \u003ca href=\"https:\/\/oxytuned.com\/service\" title=\"Service Request Form\" rel=\"noopener\" target=\"_blank\"\u003e(Fill out service form for instructions).\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1696\" data-end=\"1758\"\u003eWe perform the reflash and return your ECU ready to install.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 data-start=\"1760\" data-end=\"1779\"\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1782\" data-end=\"1872\"\u003eThis is a \u003cstrong data-start=\"1792\" data-end=\"1801\"\u003ebasic\u003c\/strong\u003e reflash, intended for stock or lightly modified Grom\/MSX125 engines.\u003c\/li\u003e\n\u003cli data-start=\"1875\" data-end=\"1946\"\u003eNot for use with advanced engine builds requiring full custom tuning.\u003c\/li\u003e\n\u003cli data-start=\"1949\" data-end=\"2032\"\u003eIntended for off-road\/competition use where emissions compliance is not required.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OxyTuned","offers":[{"title":"No \/ No","offer_id":45376614334671,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes (OFF-ROAD USE ONLY)","offer_id":45376614367439,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"Yes (NON-EMISSIONS CONTROLLED VEHICLES ONLY) \/ No","offer_id":45376614400207,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"Yes (NON-EMISSIONS CONTROLLED VEHICLES ONLY) \/ Yes (OFF-ROAD USE ONLY)","offer_id":45376614432975,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9537\/1983\/files\/gromwlogo.png?v=1755117387","url":"https:\/\/shop.oxytuned.com\/products\/honda-grom-ecu-reflash","provider":"OxyTuned","version":"1.0","type":"link"}