{"product_id":"yamaha-f250-offshore-4-2l-nizpro-315-eco-ecu-tune-b-series-2021","title":"Yamaha F250 Offshore 4.2L Nizpro 315 ECO ECU Tune (B Series 2021+)","description":"\u003cp data-start=\"13376\" data-end=\"13666\"\u003eUnlock stronger everyday drivability and improved cruising efficiency from your Yamaha F250 Offshore 4.2L with the Nizpro 315 ECO calibration, designed to improve throttle response, mid-range performance, and overall efficiency while maintaining safe operation on 87 octane.\u003c\/p\u003e\n\u003cp data-start=\"13668\" data-end=\"13998\"\u003eThis calibration is ideal for owners who want their F250 to feel stronger and more responsive across the RPM range without stepping up to a more aggressive premium-fuel tune. The biggest gains are where most offshore boaters actually use the engine: getting on plane, carrying load efficiently, and holding speed with less effort.\u003c\/p\u003e\n\u003cp data-start=\"14000\" data-end=\"14204\"\u003e\u003cstrong data-start=\"14000\" data-end=\"14020\"\u003ePerformance Data\u003c\/strong\u003e\u003cbr data-start=\"14020\" data-end=\"14023\"\u003e\u003cstrong data-start=\"14023\" data-end=\"14040\"\u003eStock Output:\u003c\/strong\u003e 250 HP\u003cbr data-start=\"14047\" data-end=\"14050\"\u003e\u003cstrong data-start=\"14050\" data-end=\"14067\"\u003eTuned Output:\u003c\/strong\u003e 315 HP\u003cbr data-start=\"14074\" data-end=\"14077\"\u003e\u003cstrong data-start=\"14077\" data-end=\"14096\"\u003ePower Increase:\u003c\/strong\u003e +65 HP (+26.0%)\u003cbr data-start=\"14112\" data-end=\"14115\"\u003e\u003cstrong data-start=\"14115\" data-end=\"14129\"\u003eTune Type:\u003c\/strong\u003e 315 ECO\u003cbr data-start=\"14137\" data-end=\"14140\"\u003e\u003cstrong data-start=\"14140\" data-end=\"14156\"\u003eRPM Limiter:\u003c\/strong\u003e 6200 RPM\u003cbr data-start=\"14165\" data-end=\"14168\"\u003e\u003cstrong data-start=\"14168\" data-end=\"14194\"\u003eMinimum Fuel Required:\u003c\/strong\u003e 87 Octane\u003c\/p\u003e\n\u003cp data-start=\"14206\" data-end=\"14233\"\u003e\u003cstrong data-start=\"14206\" data-end=\"14233\"\u003eWhat this tune improves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"14235\" data-end=\"14366\"\u003eThe Nizpro 315 ECO calibration is built to deliver stronger real-world performance with an efficiency-focused calibration strategy.\u003c\/p\u003e\n\u003cp data-start=\"14368\" data-end=\"14400\"\u003eReal-world improvements include:\u003c\/p\u003e\n\u003cul data-start=\"14401\" data-end=\"14587\"\u003e\n\u003cli data-section-id=\"u002g6\" data-start=\"14401\" data-end=\"14445\"\u003eFaster hole shot and reduced time to plane\u003c\/li\u003e\n\u003cli data-section-id=\"rqb59x\" data-start=\"14446\" data-end=\"14482\"\u003eStronger mid-range pull under load\u003c\/li\u003e\n\u003cli data-section-id=\"mnd3n0\" data-start=\"14483\" data-end=\"14510\"\u003eSharper throttle response\u003c\/li\u003e\n\u003cli data-section-id=\"15ngl9b\" data-start=\"14511\" data-end=\"14541\"\u003eImproved cruising efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1nc0oeg\" data-start=\"14542\" data-end=\"14587\"\u003eBetter overall drivability for offshore use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"14589\" data-end=\"14699\"\u003eThis means the engine feels more responsive, more usable under load, and more efficient in everyday operation.\u003c\/p\u003e\n\u003cp data-start=\"14701\" data-end=\"14723\"\u003e\u003cstrong data-start=\"14701\" data-end=\"14723\"\u003eCompatible Engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"14725\" data-end=\"14810\"\u003eThis product is for Yamaha F250 Offshore 4.2L B Series applications from 2021 onward.\u003c\/p\u003e\n\u003cp data-start=\"14812\" data-end=\"14833\"\u003e\u003cstrong data-start=\"14812\" data-end=\"14833\"\u003eECU Compatibility\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"gf056k\" data-start=\"13317\" data-end=\"13325\"\u003e6KD-00, 6KD-01, 6KD-02, 6HD-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"14812\" data-end=\"14833\"\u003e\u003cstrong data-start=\"14812\" data-end=\"14833\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"14835\" data-end=\"14901\"\u003eSelect your ECU part number using the abridged format shown above.\u003c\/p\u003e\n\u003cp data-start=\"14903\" data-end=\"15015\"\u003eIf you do not see your ECU listed, select \u003cstrong data-start=\"14945\" data-end=\"14968\"\u003eNot Listed \/ Unsure\u003c\/strong\u003e. We will verify compatibility before flashing.\u003c\/p\u003e\n\u003cp data-start=\"15017\" data-end=\"15033\"\u003e\u003cstrong data-start=\"15017\" data-end=\"15033\"\u003eHow to order\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"15034\" data-end=\"15283\"\u003e\n\u003cli data-section-id=\"1fp2pn8\" data-start=\"15034\" data-end=\"15060\"\u003eSelect your Service Type\u003c\/li\u003e\n\u003cli data-section-id=\"1oe4afh\" data-start=\"15061\" data-end=\"15101\"\u003eSelect your ECU Part Number (Abridged)\u003c\/li\u003e\n\u003cli data-section-id=\"1azqdhl\" data-start=\"15102\" data-end=\"15121\"\u003eComplete checkout\u003c\/li\u003e\n\u003cli data-section-id=\"xeaixf\" data-start=\"15122\" data-end=\"15217\"\u003eIf you selected mail-in service, ship your ECU using the instructions provided after purchase\u003c\/li\u003e\n\u003cli data-section-id=\"6qjwkl\" data-start=\"15218\" data-end=\"15283\"\u003eWe flash and return it quickly so you can get back on the water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"15285\" data-end=\"15304\"\u003e\u003cstrong data-start=\"15285\" data-end=\"15304\"\u003eService Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"15306\" data-end=\"15431\"\u003e\u003cstrong data-start=\"15306\" data-end=\"15329\"\u003eMail-In ECU Service\u003c\/strong\u003e\u003cbr data-start=\"15329\" data-end=\"15332\"\u003eFor customers anywhere in the U.S. Remove your ECU, ship it to us, and we will flash and return it.\u003c\/p\u003e\n\u003cp data-start=\"15433\" data-end=\"15608\"\u003e\u003cstrong data-start=\"15433\" data-end=\"15473\"\u003eLocal Mobile Flash Service (Florida)\u003c\/strong\u003e\u003cbr data-start=\"15473\" data-end=\"15476\"\u003eWe will pull your ECU for you and flash it on site. Available for qualifying local appointments within 40 miles of Ormond Beach, FL.\u003c\/p\u003e\n\u003cp data-start=\"15610\" data-end=\"15639\"\u003e\u003cstrong data-start=\"15610\" data-end=\"15639\"\u003eImportant before ordering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"15641\" data-end=\"15788\"\u003ePlease verify your engine model and ECU part number before purchasing. Every order is reviewed to ensure correct ECU compatibility before flashing.\u003c\/p\u003e\n\u003cp data-start=\"15790\" data-end=\"15897\"\u003e\u003cstrong data-start=\"15790\" data-end=\"15799\"\u003eNotes\u003c\/strong\u003e\u003cbr data-start=\"15799\" data-end=\"15802\"\u003ePerformance results can vary based on hull, prop, load, fuel quality, and operating conditions.\u003c\/p\u003e","brand":"Florida Marine Tuning","offers":[{"title":"Mail-in ECU Service \/ 6KD-00","offer_id":51260543271197,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ 6KD-01","offer_id":51260545007901,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ 6KD-02","offer_id":51260545040669,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ 6HD-00","offer_id":51260545073437,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ Not Listed \/ Unsure","offer_id":51260545106205,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6KD-00","offer_id":51260543402269,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6KD-01","offer_id":51260545138973,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6KD-02","offer_id":51260545171741,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6HD-00","offer_id":51260545204509,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ Not Listed \/ Unsure","offer_id":51260545237277,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/5305\/2957\/files\/f250315eco4.2lbseries.png?v=1778358539","url":"https:\/\/flmarinetuning.com\/products\/yamaha-f250-offshore-4-2l-nizpro-315-eco-ecu-tune-b-series-2021","provider":"Florida Marine Tuning","version":"1.0","type":"link"}