Rottweiler Performance Fueling Dongle KTM 690 SMC-R ENDURO R Husqvarna 701 SM

Fitment: * 2008-2020+ KTM 690 Enduro / SMC-R * 2023 Gas Gas 700 ES/SM (US MODEL ONLY) * 2008-2020 KTM 690 Duke * 2016-2020+ HQV 701 Enduro / SM * 2020+ KTM 250/350/450/500 EXC-F * 2020+ HQV 250/350/450/500 FE/S * 2018+ HQV 701 Svart/Vitpilen The Rottweiler Performance 'Fueling Dongles' are an effective and simple method to improving the fueling mixture by allowing the stock ECU to deliver a proper mixture at low to mid RPMs. By replacing the stock narrow band O2 plugs with these simple to install dongles, the Rottweiler Fueling Dongles feed the stock ECU a pre set signal that substantially smooths out the lower end power delivery reducing the jerky transition between the extremely lean low RPM mapping and the open loop upper end mapping. Overall average air fuel ratios also tend to richen up by about .5 to 1 point as well allowing the user an inexpensive option to 'bump up' the richness of their fuel delivery if the cost of a Power commander is not currently an option for them.