{"product_id":"fueltech-ft550-2019-2021-yamaha-1800-adapter-harness","title":"FuelTech FT550 2018-2025 Yamaha 1800\/1900 Harness (2 plug)","description":"\u003cp\u003eA 2-plug adapter harness for installing a FuelTech FT550 ECU on 2018–2025 Yamaha 1800\/1900 WaveRunners. It connects the ECU to the watercraft with minimal rewiring and opens up the FT550's full feature set — fuel and ignition control, data logging, boost control and real-time tuning — for race and high-performance use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdapter between the Yamaha PWC and a FuelTech FT550\u003c\/li\u003e\n\u003cli\u003eMinimal rewiring for a quick ECU upgrade\u003c\/li\u003e\n\u003cli\u003eBuilt for the marine environment\u003c\/li\u003e\n\u003cli\u003eUnlocks FT550 data logging, boost control and live tuning\u003c\/li\u003e\n\u003cli\u003eChoose harness only, or add an FT550 ECU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eFuelTech lists 2018–2025 Yamaha VX HO 1900 models as the application; the installation manual is written for the 2018-on Yamaha 1800 SVHO\/HO.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 FT550 2018-2025 Yamaha 1800\/1900 adapter harness (2 plug)\u003c\/li\u003e\n\u003cli\u003eInstallation guide\u003c\/li\u003e\n\u003cli\u003eFT550 ECU when the add a FT550 ECU option is selected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCovered by a 1-year worldwide warranty.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/files.fueltech.net\/manual\/Ingles\/FT550_Yamaha_1800_SVHO-HO_2018_Adapter_Harness.pdf\" target=\"_blank\" rel=\"noopener\"\u003eFuelTech FT550 Yamaha 1800 2-plug adapter harness manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which Yamaha models does this harness fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"FuelTech lists 2018-2025 Yamaha VX HO 1900 models, and the installation manual covers the 2018-on Yamaha 1800 SVHO\/HO.\"}},{\"@type\":\"Question\",\"name\":\"Is the FT550 ECU included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Only with the add a FT550 ECU option. The I already have a FT550 ECU option is the harness alone.\"}},{\"@type\":\"Question\",\"name\":\"How much rewiring is involved?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The adapter is designed for a quick setup with minimal rewiring.\"}},{\"@type\":\"Question\",\"name\":\"What does the FT550 add over the stock ECU?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Full control of fuel injection and ignition tuning, plus data logging, boost control and real-time tuning.\"}},{\"@type\":\"Question\",\"name\":\"What's in the box?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 2-plug adapter harness and an installation guide, plus the FT550 ECU if that option is selected.\"}},{\"@type\":\"Question\",\"name\":\"What warranty does it carry?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 1-year worldwide warranty.\"}}]}\u003c\/script\u003e","brand":"FuelTech","offers":[{"title":"I already have a FT550 ECU","offer_id":50629710315737,"sku":"2002100540","price":1299.0,"currency_code":"USD","in_stock":true},{"title":"add a FT550 ECU","offer_id":50629710348505,"sku":"2002100540 \/ 3010005496","price":3198.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2734\/8185\/files\/FuelTech-yamaha-1800-ft550-aftermarket_-ecu.png?v=1791474244","url":"https:\/\/www.autosportsengineering.com\/products\/fueltech-ft550-2019-2021-yamaha-1800-adapter-harness","provider":"Autosports engineering","version":"1.0","type":"link"}