Fueling Dongle - This is the 27th of many modifications (farkles) to be added or altered on the 2019 KTM 690 Enduro R (EU). In this video we remove the O2 sensor from the exhaust pipe and disconnect it from the harness. In its place we connect the Rottweiler Performance Fueling Dongle to the harness. This simple modification richens the fuel-air mixture below 5500 RPM and results in better low speed responsiveness and better cooling.
How do they work? It's actually quite simple. The stock ECU is set to lean out the fuel delivery to a very lean 14.7 air fuel ratio (AFR) under 5500 RPM and 20% throttle. Once the engine has reached a sufficient warm up the ECU 'listens' to the stock narrow band O2 sensors and looks for a particular signal to keep the bike in that lean condition. This causes heat issues from extremely hot header pipes, makes the motorcycle jerky at low RPMs and reduces power. The Rottweiler Fueling Dongles send a return signal to the stock ECU that keeps the low end fueling at a much better running 13.8 +/-. A mixture that translates into an overall better running motorcycle.
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Негізгі бет Фильм және анимация 2019 KTM 690 Enduro Mods #27 Rottweiler Fueling Dongle
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