![]() ![]() We’ve seen cases where several of these errors were made in the same tune not good. Another common issue we see is tuning a cam or big bore application using a base tune that was developed for stock power levels (Stage 1 type tune), while you may not get codes or CEL’s, the power output will be reduced as the torque model does not match the engine output. The second issue is turning off Torque Based ETC in a Power Vision RDRS tune again this will set engine codes and RDRS will not function. The first is loading a non-RDRS Power Vision calibration into a RDRS equipped bike, this does not work it will set an assortment of engine codes, the CEL and Traction Control lights on the gauge cluster will remain lit, and RDRS will be non-functional. We’re running into three areas where users are making errors when tuning RDRS equipped bikes. While new to Harley, torque based tuning is commonplace among a broad range other platforms including several that Fuel Moto has supported for years, so this is not new to us and more specifically Dynojet and their engineers. Historically to get around this in our Power Vision tunes up to model year 2020 we’ve been able to simply turn off Torque based ETC tuning in the background and revert to conventional speed density tuning, however with the advent of RDRS this has changed as this new system requires torque based throttle control remain active as the systems work hand in hand. This is done for several reasons as a means to reduce throttle sensitivity & abruptness, to reduce driveline shock load & stress, and to limit power output when necessary. With a torque based calibration the ECM effectively delivers fuel, spark timing, and electronic throttle control based on a torque model, what this means is the ECM follows the torque model while monitoring engine load, RPM, twist grip, and other inputs and it essentially determines how much power it’s going to allow primarily via the twist grip to % throttle blade relationship. The H-D Motor Company starting using torque based throttle control several years ago in their OEM calibrations. We get quite a few inquires & questions on RDRS from customers & tuning shops and we’ve read some conflicting & incorrect information on various social media sites on how this affects tuning so we put together the following helpful info related to tuning with Dynojet Power Vision. Fuel Moto has tuned an extensive amount of RDRS equipped bikes, and we own a RDRS equipped 2020 Road Glide for in-house calibration & product development. The Power Vision may be used on any bike to read and clean trouble codes.What’s with that traction control switch? The Reflex Defensive Rider System otherwise known as “RDRS” on select 2020-later Harley Davidson® motorcycles is a new feature designed to control engine power & braking based on available traction during acceleration, deceleration, and braking to allow the rider better control of the motorcycle.ĮFI tuning of RDRS equipped bikes is different than other machines, however when understood and tuned properly the systems continue to operate as designed. MANUFACTURER'S NOTE: The Power Vision "marries" to one individual ECM and may be used only on that bike for flashing the ECM.Tune an unlimited amount of bikes with one Power Vision! click here for more info Additional tune licenses are available.Features adaptive trims and idle offset (with bike running).AutoTune Basic and Pro calculates and stores fuel trims to optimize fuel curve.Displays & logs H-D vehicle data, wide-band air fuel ratio (if equipped) and various calculated channels (including MPG instant and trip MPG).Fuel Moto will pre-program the Power Vision with a tune for your setup, you will be asked for your modifications during checkout.automatically downloads and stores the stock calibration in case OEM restoration is needed stock calibration can also be saved as an editable copy and used as a starting point.Stores up to six different tunes that can be flashed to the bike.Utilizes WinPV (Windows PC-based tuning application).NO COMPUTER REQUIRED simply select the tune and follow the on-screen prompts to flash the bike tunes can also be edited directly from the Power Vision.The display's interface cable plugs directly to the bike's diagnostic connector.The sophisticated, yet easy-to-use, 3.5" full-color touch-screen display mounts to handlebars with integrated Amps 4-hole threaded inserts also mounts to most aftermarket accessory mounts that feature AMPS 4-mounting options.The quickest and most powerful flash tuner on the market.FREE PRE-PROGRAMMING OF YOUR POWER VISION, FUEL MOTO TECHNICAL SUPPORT, AND DOUBLE WARRANTY. ![]()
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