If you have performance upgrades, sometimes ECU tuning can make huge rideability and performance gains and sometimes become a necessity if you don't want your engine codes to go crazy. But if your motorcycle has factory limitations built into it creating a riding experience that's less than perfect, ECU tuning is a very effective way to get the motorcycle you expected - or to boost your bike's performance levels if you're feeling like you've outgrown it. 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.
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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. Some bikes are richer in certain areas, like sometimes in higher rpm areas because the engine runs cooler and safer, or lean in some rpms for emissions purposes. The trick is to find the proper ignition timing and air/fuel ratio at every rpm. This reduces engine braking and making throttle transitions smoother. The team at ECUnleashed also changed off throttle deceleration mapping.
#Ecu tuning basics full
Yamaha uses this to help with emissions in practical every day riding this makes the throttle response when going from full closed to open twitchy and unruly. Programming also removed the factory fuel cut off. Timing retard was removed making the engine rev faster and run harder. Throttle restrictions were removed, this particularly improved the lower gears.
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Fuel and ignition maps were tweaked for smoother transitions and throttle response. Here's what we did to our Ténéré's ECU to improve an already good motorcycle. 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.
#Ecu tuning basics code
So how do you get back some of the magical feeling of adjusting your motorcycle to make it run better than the factory settings? We explain the basics of ECU tuning.ĮCU tuning is the art and science of cracking the code that the factory installs in your motorcycle's brain and giving it an upgrade. That's not to say a carburetor couldn't be stable like that - they just weren't more often than they were.
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One of the best parts of modern fuel injection is the "set it and forget it" stability and peace of mind it offers.
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It's a great part of the riding experience - until you need to adjust it again… and again… and again. There is something wonderful about turning a couple screws and getting a noticeable change in how your bike runs, altering the idle point, getting the fuel spot on and having a blast right after it's adjusted.