Your bench-racing buddy might tell you there's gobs of untaped performance in your bike, but that isn't always correct. Much like the age old question of "Do I need a fuel tuner when changing a slip on?" there is no one-size-fits-all response. This is why finding the right shop is so important and sloppy tuning can cost you big bucks. Running leaner than factory can sometimes improve throttle and power, but too lean can fry an engine and burn a hole in a piston or two. Manufacturers also make compromises for safer operation. Tuning your ECU can eliminate some if not all of these compromises and make any modifications you do more effective. Newer motorcycles make a ton of compromises to meet emissions and still produce useable power. Everything listed makes the throttle response smoother and adds some horsepower. If you notice that there is a theme here, it's because there is. The hard part of this is figuring out what is in the ECU from the factory to know what to change. The software allows access to the programming in the ECU and by changing parity bits and field options you can change how the ECU carries out its instructions. Usually software is installed on a laptop but sometimes is a stand alone module or other system. The ECU is removed from the motorcycle and connected to a programmer. The process is both simple and complex, as with all things computer-related. We have discussed modifications and a general review here and here previously, but like everything here at RideApart, we wanted to make it even better. The Ténéré is a really good motorcycle in factory form. Sending it in to ECUnleashed can take a week or more, depending on how far away from California you live. At most, the work will take a couple of hours. If you have a tuning center close by this is quicker as they can get the map prebuilt and sent to them. You can take it to an authorized tuning center and they can do all the work, or you can take the ECU out and send it to ECUnleashed and have it programmed. There are a couple ways to have this service performed. They program everything from motorcycles to super cars and came highly recommend on the Super Ténéré forums. We decided to use a trusted brand and company called ECUnleashed. In most cases, you'll have no warranty and done improperly this can really damage your motor. We found out right away that the credentials of those who are offering to do ECU mods can swing wildly there are people who purchased an ECU programmer and do this as a hobby. In researching this for the 2014 Yamaha Ténéré project, we found that costs ranged from $200 to almost $500 for the work we wanted. CostĪ typical reprogramming or "reflash" of your ECU can vary pretty wildly in price. It enables you to take a lackluster motorcycle with twitchy throttle control and turn it into that smooth powerful road monster you expected. Tweaking your ECU means removing things like low RPM power restrictions, closed loop fuel maps, error codes when changing parts, and a slew of other options. Our reliable, high quality ECU re-mapping service starts from just £350 +VAT.ECU tuning is the art and science of cracking the code that the factory installs in your motorcycle's brain and giving it an upgrade. It’s also possible to unlock additional features and capabilities of the ECU – for example, on the latest Kawasaki ZX10r we can enable the auto-blip function, adjust RPM limiters, adjust fan temp, and adjust RPM idle, to name just a few. Its primary purpose is to improve rideability. The benefits of ECU flashing aren’t necessarily about headline-grabbing power gains but rather achieving a smoother, more responsive power delivery throughout the rev range. Thus overwriting the chip with a new program is known as flashing, re-flashing, or direct ECU mapping. An ECU chip uses ‘flash memory’, a type of solid state software encoding. There is still a case to be made for taking that path, as a fuel module can be easily removed, returning your bike to a completely stock condition.īut as an alternative it is now possible to directly re-program an ECU chip. Previously the only way to alter these settings was to use a piggy-back fuel module, such as a Power Commander. The real-world consequences of these compromises are experienced in things like snatchy throttle pick-up and flat spots at certain points in the rev range factors that directly affect rideability. Ultimately, this program determines how your engine operates.īut the manufacturer’s program contains a number of compromises and limitations, both for engine reliability and more often to fulfil emissions test and other regulatory requirements at certain RPM values. The ECU is factory pre-programmed to manage a wide range of parameters. All modern engines are controlled by a microprocessor chip the Electronic Control Unit or ECU.
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