{"product_id":"rotax-senior-micro-max-evo-ecu","title":"666815 Rotax Senior \u0026 Micro MAX EVO ECU – Electronic Control Unit","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Senior MAX \/ Micro MAX EVO Electronic Control Unit (ECU)\u003c\/strong\u003e (R.666815) is the OEM ignition and engine management module programmed for both the \u003cstrong\u003e125 Senior MAX EVO\u003c\/strong\u003e and \u003cstrong\u003e125 Micro MAX EVO\u003c\/strong\u003e classes. The ECU controls ignition timing, RAVE power valve operation (Senior), and engine limiting functions according to the Senior\/Micro MAX class specification. This module is \u003cstrong\u003enot interchangeable\u003c\/strong\u003e with the Junior MAX (R.666813) or Mini MAX (R.666818) ECUs.\u003c\/p\u003e\n\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Senior MAX EVO and Rotax 125 Micro MAX EVO\u003c\/strong\u003e. Mounts to the battery clamp assembly and connects via the wiring harness (R.666836). Always confirm the fault is in the ECU using the Rotax harness tester (R.276231) before replacement.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.666815\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO AND Rotax 125 Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCMC Karting stocks all three Rotax MAX EVO ECU variants. If you're unsure which ECU your engine requires, contact us and we'll confirm the correct part for your class.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47938980348125,"sku":"R.666815","price":259.22,"currency_code":"USD","in_stock":true}],"url":"https:\/\/cmckarting.com\/products\/rotax-senior-micro-max-evo-ecu","provider":"CMC Karting","version":"1.0","type":"link"}