{"product_id":"yamaha-f250-offshore-4-2l-nizpro-315-eco-ecu-tune-a-series-2014-2021","title":"Yamaha F250 Offshore 4.2L Nizpro 315 ECO ECU Tune (A Series 2014–2021)","description":"\u003cp data-start=\"5328\" data-end=\"5618\"\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=\"5620\" data-end=\"5950\"\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=\"5952\" data-end=\"6156\"\u003e\u003cstrong data-start=\"5952\" data-end=\"5972\"\u003ePerformance Data\u003c\/strong\u003e\u003cbr data-start=\"5972\" data-end=\"5975\"\u003e\u003cstrong data-start=\"5975\" data-end=\"5992\"\u003eStock Output:\u003c\/strong\u003e 250 HP\u003cbr data-start=\"5999\" data-end=\"6002\"\u003e\u003cstrong data-start=\"6002\" data-end=\"6019\"\u003eTuned Output:\u003c\/strong\u003e 315 HP\u003cbr data-start=\"6026\" data-end=\"6029\"\u003e\u003cstrong data-start=\"6029\" data-end=\"6048\"\u003ePower Increase:\u003c\/strong\u003e +65 HP (+26.0%)\u003cbr data-start=\"6064\" data-end=\"6067\"\u003e\u003cstrong data-start=\"6067\" data-end=\"6081\"\u003eTune Type:\u003c\/strong\u003e 315 ECO\u003cbr data-start=\"6089\" data-end=\"6092\"\u003e\u003cstrong data-start=\"6092\" data-end=\"6108\"\u003eRPM Limiter:\u003c\/strong\u003e 6500 RPM\u003cbr data-start=\"6117\" data-end=\"6120\"\u003e\u003cstrong data-start=\"6120\" data-end=\"6146\"\u003eMinimum Fuel Required:\u003c\/strong\u003e 87 Octane\u003c\/p\u003e\n\u003cp data-start=\"6158\" data-end=\"6185\"\u003e\u003cstrong data-start=\"6158\" data-end=\"6185\"\u003eWhat this tune improves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"6187\" data-end=\"6318\"\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=\"6320\" data-end=\"6352\"\u003eReal-world improvements include:\u003c\/p\u003e\n\u003cul data-start=\"6353\" data-end=\"6539\"\u003e\n\u003cli data-section-id=\"u002g6\" data-start=\"6353\" data-end=\"6397\"\u003eFaster hole shot and reduced time to plane\u003c\/li\u003e\n\u003cli data-section-id=\"rqb59x\" data-start=\"6398\" data-end=\"6434\"\u003eStronger mid-range pull under load\u003c\/li\u003e\n\u003cli data-section-id=\"mnd3n0\" data-start=\"6435\" data-end=\"6462\"\u003eSharper throttle response\u003c\/li\u003e\n\u003cli data-section-id=\"15ngl9b\" data-start=\"6463\" data-end=\"6493\"\u003eImproved cruising efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1nc0oeg\" data-start=\"6494\" data-end=\"6539\"\u003eBetter overall drivability for offshore use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"6541\" data-end=\"6651\"\u003eThis means the engine feels more responsive, more usable under load, and more efficient in everyday operation.\u003c\/p\u003e\n\u003cp data-start=\"6653\" data-end=\"6675\"\u003e\u003cstrong data-start=\"6653\" data-end=\"6675\"\u003eCompatible Engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"6677\" data-end=\"6760\"\u003eThis product is for Yamaha F250 Offshore 4.2L A Series applications from 2014–2021.\u003c\/p\u003e\n\u003cp data-start=\"6762\" data-end=\"6783\"\u003e\u003cstrong data-start=\"6762\" data-end=\"6783\"\u003eECU Compatibility\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"gkmftf\" data-start=\"5251\" data-end=\"5259\"\u003e6CG-04, 6CG-20, 6CG-21, 6CG-22, 6CG-23, 6HD-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"6762\" data-end=\"6783\"\u003e\u003cstrong data-start=\"6762\" data-end=\"6783\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"6785\" data-end=\"6851\"\u003eSelect your ECU part number using the abridged format shown above.\u003c\/p\u003e\n\u003cp data-start=\"6853\" data-end=\"6965\"\u003eIf you do not see your ECU listed, select \u003cstrong data-start=\"6895\" data-end=\"6918\"\u003eNot Listed \/ Unsure\u003c\/strong\u003e. We will verify compatibility before flashing.\u003c\/p\u003e\n\u003cp data-start=\"6967\" data-end=\"6983\"\u003e\u003cstrong data-start=\"6967\" data-end=\"6983\"\u003eHow to order\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"6984\" data-end=\"7233\"\u003e\n\u003cli data-section-id=\"1fp2pn8\" data-start=\"6984\" data-end=\"7010\"\u003eSelect your Service Type\u003c\/li\u003e\n\u003cli data-section-id=\"1oe4afh\" data-start=\"7011\" data-end=\"7051\"\u003eSelect your ECU Part Number (Abridged)\u003c\/li\u003e\n\u003cli data-section-id=\"1azqdhl\" data-start=\"7052\" data-end=\"7071\"\u003eComplete checkout\u003c\/li\u003e\n\u003cli data-section-id=\"xeaixf\" data-start=\"7072\" data-end=\"7167\"\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=\"7168\" data-end=\"7233\"\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=\"7235\" data-end=\"7254\"\u003e\u003cstrong data-start=\"7235\" data-end=\"7254\"\u003eService Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"7256\" data-end=\"7381\"\u003e\u003cstrong data-start=\"7256\" data-end=\"7279\"\u003eMail-In ECU Service\u003c\/strong\u003e\u003cbr data-start=\"7279\" data-end=\"7282\"\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=\"7383\" data-end=\"7558\"\u003e\u003cstrong data-start=\"7383\" data-end=\"7423\"\u003eLocal Mobile Flash Service (Florida)\u003c\/strong\u003e\u003cbr data-start=\"7423\" data-end=\"7426\"\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=\"7560\" data-end=\"7589\"\u003e\u003cstrong data-start=\"7560\" data-end=\"7589\"\u003eImportant before ordering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"7591\" data-end=\"7738\"\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=\"7740\" data-end=\"7847\"\u003e\u003cstrong data-start=\"7740\" data-end=\"7749\"\u003eNotes\u003c\/strong\u003e\u003cbr data-start=\"7749\" data-end=\"7752\"\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 \/ 6CG-04","offer_id":51260526493981,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ 6CG-20","offer_id":51260531409181,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ 6CG-21","offer_id":51260531441949,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ 6CG-22","offer_id":51260531474717,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ 6CG-23","offer_id":51260531507485,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ 6HD-00","offer_id":51260531540253,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Mail-in ECU Service \/ Not Listed \/ Unsure","offer_id":51260531573021,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6CG-04","offer_id":51260526723357,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6CG-20","offer_id":51260531605789,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6CG-21","offer_id":51260531638557,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6CG-22","offer_id":51260531671325,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true},{"title":"Local Flash Service (Within 40 miles of Ormond Beach) \/ 6CG-23","offer_id":51260531704093,"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":51260531736861,"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":51260531769629,"sku":null,"price":949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/5305\/2957\/files\/f250315eco4.2aseries.png?v=1778358504","url":"https:\/\/flmarinetuning.com\/products\/yamaha-f250-offshore-4-2l-nizpro-315-eco-ecu-tune-a-series-2014-2021","provider":"Florida Marine Tuning","version":"1.0","type":"link"}