SKU:32-7402
Engineered for Harley FXST models (2012–2021), the Daytona Twin Tec TCFI Gen 5 Auto Tune EFI Controller is a plug-in replacement for the 36-pin controller with CAN data bus, delivering on-road auto-tuning of fuel curves for front and rear cylinders as you ride.
The system functions as a complete fuel-management upgrade, replacing the factory controller to provide precise fuel delivery under varied riding conditions. It includes two wide-band O2 sensors and a dedicated WEGO IIId interface to deliver real-time feedback for accurate tuning. A USB connection enables seamless PC-based tuning, data logging, and diagnostics with Daytona’s Windows software, while a 60-minute data flash log aids in in-depth troubleshooting and fine-tuning.
Accessories include a USB interface cable and an EFI intake manifold flange set in chrome, simplifying installation and improving appearance. This product is not legal for sale or use in California or on pollution-controlled vehicles. Part number 17600.
Daytona Twin Tec TCFI Gen 5 Auto Tune fuel injection controller is fully programmable plug in replacement for the 36 pin controller with CAN data bus.The Daytona Twin Tech TCFI Gen 5 EFI Controller is a high-performance fuel management system designed specifically for Harley Davidson FXST models from 2012 to 2021. This advanced tuning module features a USB interface for seamless PC connection, allowing users to customize and extend data logging and diagnostics with powerful Windows software. The system includes two Bosch LSU 4.2 wide-band exhaust gas oxygen sensors and a WEGO IIId dual channel wide-band exhaust gas oxygen sensor interface, providing accurate real-time fuel mixture feedback for optimal engine performance. The controller's continuous auto-tuning capability adjusts fuel curves for both front and rear cylinders under riding conditions, ensuring efficient operation across various driving scenarios. It also offers robust alpha-N fuel control that effectively manages engines with long-duration high-overlap camshafts, resolving common tuning challenges associated with highly modified engines. The device’s data flash memory stores up to 60 minutes of operating data, aiding in detailed troubleshooting and fine-tuning. Additionally, the system provides fully programmable idle air control, including idle RPM and cold start characteristics, and facilitates the use of aftermarket throttle bodies with higher airflow capacity.
Constructed in the USA, the Daytona TCFI Gen 5 EFI Controller is an essential upgrade for riders seeking precise fuel management and enhanced engine performance. It comes with accessory items such as a USB interface cable and an EFI intake manifold flange set in chrome, making installation straightforward and visually appealing. Please note that this product is not legal for sale or use in California or on pollution-controlled vehicles, aligning with regulatory standards. Whether for performance upgrades or custom tuning projects, this EFI controller offers the flexibility and reliability needed for serious motorcycle enthusiasts.
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