{"product_id":"kawasaki-z-900-ab-2025-flawless-ecu-performance-flash","title":"Kawasaki Z 900 from 2025 - FLAWLESS ECU Performance Flash","description":"\u003ch2\u003eKawasaki Z 900 Tuning from 2025 – what the Performance Flash achieves\u003c\/h2\u003e\n\u003cp\u003eThe FLAWLESS ECU Performance Flash replaces the stock software in the original engine control unit of the Kawasaki Z 900 for model years 2025 and newer. We adjust the injection, ignition, lambda control, and throttle characteristics – this results in approximately \u003cstrong\u003e3 hp\u003c\/strong\u003e more power, \u003cstrong\u003e5 Nm\u003c\/strong\u003e more torque, and a noticeably smoother power delivery, without any additional hardware on the motorcycle.\u003c\/p\u003e\n\u003cp\u003eUnlike piggyback modules or auxiliary control units, we intervene directly in the stock software. The optimization remains invisible from the outside, and the ECU is neither opened nor damaged.\u003c\/p\u003e\n\u003cp\u003eWe tailor each software individually to your motorcycle and the hardware actually installed. On request, this can be combined with the FLAWLESS Power Mapswitch, a lowered fan temperature, the removal of the Vmax limiter, the deactivation of the immobilizer, and an individually configured fuel cut-off for pops \u0026amp; bangs.\u003c\/p\u003e\n\u003ch2\u003eKawasaki Z 900: Stock vs. optimized software compared\u003c\/h2\u003e\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003eFeature\u003c\/th\u003e\n\n\u003cth\u003eStock\u003c\/th\u003e\n\n\u003cth\u003ewith FLAWLESS ECU Performance Flash\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003ePeak power\u003c\/td\u003e\n\n\u003ctd\u003e91 kW (124 hp) at 9,500 rpm\u003c\/td\u003e\n\n\u003ctd\u003eapprox. +3 hp\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eTorque\u003c\/td\u003e\n\n\u003ctd\u003e97.4 Nm at 7,700 rpm\u003c\/td\u003e\n\n\u003ctd\u003eapprox. +5 Nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003ePower delivery\u003c\/td\u003e\n\n\u003ctd\u003eStock maps\u003c\/td\u003e\n\n\u003ctd\u003esignificantly smoother and more consistent\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eConstant throttle jerk\u003c\/td\u003e\n\n\u003ctd\u003epresent\u003c\/td\u003e\n\n\u003ctd\u003esignificantly reduced or eliminated\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAFR values\u003c\/td\u003e\n\n\u003ctd\u003eStock maps\u003c\/td\u003e\n\n\u003ctd\u003eoptimized for the respective setup\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMappings\u003c\/td\u003e\n\n\u003ctd\u003eStock maps per riding mode\u003c\/td\u003e\n\n\u003ctd\u003eIndividually adjustable via the riding modes\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eQuickshifter and blipper\u003c\/td\u003e\n\n\u003ctd\u003eincluded as standard\u003c\/td\u003e\n\n\u003ctd\u003eremains fully functional\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eFan temperature\u003c\/td\u003e\n\n\u003ctd\u003eStock thresholds\u003c\/td\u003e\n\n\u003ctd\u003eSwitch-on and switch-off points each approx. 4 °C lower\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eTop speed\u003c\/td\u003e\n\n\u003ctd\u003eelectronically limited\u003c\/td\u003e\n\n\u003ctd\u003eVmax limiter removed upon request\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eImmobilizer\u003c\/td\u003e\n\n\u003ctd\u003eactive, start only with ignition key\u003c\/td\u003e\n\n\u003ctd\u003edeactivated upon request\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eFuel cut-off\u003c\/td\u003e\n\n\u003ctd\u003eStock characteristic\u003c\/td\u003e\n\n\u003ctd\u003eindividually configurable\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAdditional hardware on the bike\u003c\/td\u003e\n\n\u003ctd\u003e–\u003c\/td\u003e\n\n\u003ctd\u003enot required\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003ePerformance increase for the Kawasaki Z 900\u003c\/h2\u003e\n\u003cp\u003eWe write the tuning software individually for your Kawasaki Z 900 and adapt the maps to the hardware installed on your motorcycle.\u003c\/p\u003e\n\u003cp\u003eDepending on the setup, this allows us to achieve an increase in power of approx. \u003cstrong\u003e+3 hp\u003c\/strong\u003e as well as around \u003cstrong\u003e+5 Nm of torque\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn addition to pure power gains, we primarily improve power delivery. The Z 900 accelerates more smoothly and consistently and reacts more directly to throttle inputs overall.\u003c\/p\u003e\n\u003cp\u003eThe typical constant throttle jerk of the Z 900 is also significantly reduced or eliminated by the optimized maps.\u003c\/p\u003e\n\u003ch2\u003eOptimized injection and AFR values for the Kawasaki Z 900\u003c\/h2\u003e\n\u003cp\u003eAs part of the Kawasaki Z 900 ECU tuning, we also adjust the injection maps. This ensures that the Air-Fuel-Ratio (AFR) values of your Z 900 are within an optimal range for your specific setup.\u003c\/p\u003e\n\u003cp\u003eIn addition to improved drivability, this can also reduce thermal stress. The adjusted fuel mixture results in lower exhaust gas temperatures, which particularly relieves thermal strain on exhaust valves and cylinder heads.\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003eFLAWLESS Power Mapswitch for the Kawasaki Z 900\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003eWith the optional FLAWLESS Power Mapswitch, you can switch between different mappings via the riding modes of your 2025+ Kawasaki Z 900.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eFor example, you can keep the stock mapping in one riding mode and use the full FLAWLESS ECU Performance Flash in the other riding modes – with or without pops \u0026amp; bangs.\u003c\/p\u003e\n\u003ch2\u003eOptimize the fan temperature of the Kawasaki Z 900\u003c\/h2\u003e\n\u003cp\u003eUpon request, we can lower both the switch-on and switch-off temperatures of the fans by approx. 4 °C each.\u003c\/p\u003e\n\u003cp\u003eThis ensures active cooling starts earlier and runs longer. Your Z 900 will remain more reliably within the optimal temperature range, even during very sporty riding, high ambient temperatures, or in city traffic.\u003c\/p\u003e\n\u003ch2\u003eRemove the Vmax limiter of the Kawasaki Z 900\u003c\/h2\u003e\n\u003cp\u003eThe top speed of your Z 900 is electronically limited as standard.\u003c\/p\u003e\n\u003cp\u003eUpon request, we can remove this top-speed limit so that the acceleration does not cut off prematurely.\u003c\/p\u003e\n\u003ch2\u003eDeactivate the immobilizer of the Kawasaki Z 900\u003c\/h2\u003e\n\u003cp\u003eDo you use your Z 900 on the racetrack? Upon request, we can deactivate the immobilizer.\u003c\/p\u003e\n\u003cp\u003eThis allows your motorcycle to be started without an ignition key – practical if the machine has been converted for track use.\u003c\/p\u003e\n\u003ch2\u003ePops \u0026amp; Bangs and overrun burbles on the Kawasaki Z 900\u003c\/h2\u003e\n\u003cp\u003eWe adapt the fuel cut-off of your Kawasaki Z 900 individually to your wishes and the installed setup – from subtle overrun burbles to clearly audible pops and bangs.\u003c\/p\u003e\n\u003cp\u003eYou can also program the pops \u0026amp; bangs \u003cstrong\u003eto specific riding modes in the configurator\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e With a setup featuring a catalytic converter, only overrun burbles are possible. Please specify when ordering if your Z 900 has a catalytic converter installed, and we will adjust the configuration accordingly.\u003c\/p\u003e\n\u003ch2\u003eIndividual tuning for your setup\u003c\/h2\u003e\n\u003cp\u003eEvery software optimization for the Kawasaki Z 900 is tailored to your motorcycle's installed setup. Please provide the following information in the comment field when placing your order:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eInstalled slip-on or exhaust system, e.g., LeoVince, Bodis, Remus, Austin Racing, Arrow, or Akrapovic\u003c\/li\u003e\n\n\u003cli\u003eInstalled air filter, e.g., K\u0026amp;N, BMC, or Rade Garage\u003c\/li\u003e\n\n\u003cli\u003eCatalytic converter present: yes or no\u003c\/li\u003e\n\n\u003cli\u003eOther relevant modifications\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThis allows us to optimally tune the mapping of your Kawasaki Z 900 to your motorcycle.\u003c\/p\u003e\n\u003ch2\u003eSuitable performance parts for your Kawasaki Z 900\u003c\/h2\u003e\n\u003cp\u003eExhaust systems and air filters in particular influence optimal map tuning. You can find suitable parts in our following categories:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eExhaust systems from \u003ca href=\"\/en-ch\/collections\/exhausts-akrapovic\"\u003eAkrapovic\u003c\/a\u003e, \u003ca href=\"\/en-ch\/collections\/exhausts-leovince\"\u003eLeoVince\u003c\/a\u003e, and \u003ca href=\"\/en-ch\/collections\/abgasanlagen-mivv\"\u003eMIVV\u003c\/a\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eSport air filters from \u003ca href=\"\/en-ch\/collections\/luftfilter-k-n\"\u003eK\u0026amp;N\u003c\/a\u003e and \u003ca href=\"\/en-ch\/collections\/luftfilter-mwr\"\u003eMWR\u003c\/a\u003e; BMC or Rade Garage are also suitable\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eSystems from Bodis, Remus, Austin Racing, or Arrow are also suitable. We are happy to clarify which combination is best for your setup before you place your order.\u003c\/p\u003e\n\u003ch2\u003eWhat hardware is required for maximum performance?\u003c\/h2\u003e\n\u003cp\u003eTo achieve the stated performance increase on the Z 900, the following are mandatory:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eAn aftermarket slip-on or sport exhaust, e.g., from Bodis, Remus, Austin Racing, Arrow, or \u003ca href=\"\/en-ch\/collections\/exhausts-akrapovic\"\u003eAkrapovic\u003c\/a\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eA sport air filter, e.g., from \u003ca href=\"\/en-ch\/collections\/luftfilter-k-n\"\u003eK\u0026amp;N\u003c\/a\u003e or BMC\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eWithout these components, the specified power gain cannot be fully realized. The other functions of the optimization – drivability, AFR values, map switch, fan temperature, Vmax limiter, immobilizer, and fuel cut-off – are available to you regardless.\u003c\/p\u003e\n\u003ch2\u003eHow the software optimization of your Kawasaki Z 900 works\u003c\/h2\u003e\n\u003col\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eConfigure\u003c\/strong\u003e – Order your FLAWLESS ECU Performance Flash and select the desired options.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSend in the ECU\u003c\/strong\u003e – Remove the ECU from your Kawasaki Z 900 and send it to us securely packaged and insured.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eProgramming\u003c\/strong\u003e – Upon receipt, your control unit will typically be processed by our technicians within 24 hours. For shipments from Switzerland, the processing time is usually 24 to 72 hours.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eInstall and ride\u003c\/strong\u003e – We will send your ECU back to you. Connect, install, and you're ready to go.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eNo additional hardware necessary\u003c\/h2\u003e\n\u003cp\u003eNo additional control unit is installed on the motorcycle for the software optimization. Your stock ECU is programmed by us. The control unit is not opened or damaged, and remains unchanged from the outside.\u003c\/p\u003e\n\u003ch2\u003eWhy FLAWLESS Industries?\u003c\/h2\u003e\n\u003cp\u003eWe have been developing our software optimizations in-house for over 5 years and write every map individually – we do not use purchased pre-made files.\u003c\/p\u003e\n\u003cp\u003eThe basis for this is created on our own high-performance simulation test bench. Every setup variant – from the stock configuration to the combination of various sport exhaust systems, sport air filters, and configurations with and without catalytic converters – is installed and specifically tuned there during development. Our maps are therefore based on real measurements and not on estimates or copied files.\u003c\/p\u003e\n\u003cp\u003eEvery year, we process well over 1000 control units. Development and programming take place entirely in Germany. If you have questions about your setup, you can reach us directly – we will advise you before you order on which configuration fits your motorcycle and intended use.\u003c\/p\u003e\n\u003ch2\u003eSuitable for\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003eKawasaki Z 900 (full power version, 91 kW) model years 2025 and newer\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eDo you ride the restricted 70 kW version or a different model? You can find further optimizations for Kawasaki in our \u003ca href=\"\/en-ch\/collections\/kawasaki-naked\"\u003eKawasaki Naked category\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eYour benefits\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003eSoftware individually tailored to your setup\u003c\/li\u003e\n\n\u003cli\u003eApprox. +3 hp more power\u003c\/li\u003e\n\n\u003cli\u003eApprox. +5 Nm more torque\u003c\/li\u003e\n\n\u003cli\u003eSmoother and more consistent power delivery\u003c\/li\u003e\n\n\u003cli\u003eEliminated constant throttle jerk\u003c\/li\u003e\n\n\u003cli\u003eOptimized injection maps and AFR values\u003c\/li\u003e\n\n\u003cli\u003eLower exhaust gas temperatures, thermal relief for exhaust valves and cylinder heads\u003cbr\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eOptional: FLAWLESS Power Mapswitch, switchable via riding modes\u003c\/li\u003e\n\n\u003cli\u003eOptional: lowered fan switch-on and switch-off temperatures\u003c\/li\u003e\n\n\u003cli\u003eOptional: removed Vmax limiter\u003c\/li\u003e\n\n\u003cli\u003eOptional: deactivated immobilizer for racetrack use\u003c\/li\u003e\n\n\u003cli\u003eOptional: pops \u0026amp; bangs or overrun burbles switchable via riding modes\u003c\/li\u003e\n\n\u003cli\u003eProcessing typically within 24 hours\u003c\/li\u003e\n\n\u003cli\u003eNo additional control units required on the bike\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eUsage notice\u003c\/h2\u003e\n\u003cp\u003eThe FLAWLESS ECU Performance Flash alters the engine management software from the stock state. Use is permitted exclusively on closed circuits or racetracks.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions about Kawasaki Z 900 optimization\u003c\/h2\u003e\n\u003ch3\u003eHow much power does the Kawasaki Z 900 tuning add?\u003c\/h3\u003e\n\u003cp\u003eDepending on the installed hardware, we achieve approx. +3 hp and +5 Nm more torque. Just as noticeable is the smoother power delivery and the eliminated constant throttle jerk.\u003c\/p\u003e\n\u003ch3\u003eCan I continue to use the stock mapping?\u003c\/h3\u003e\n\u003cp\u003eYes, with the FLAWLESS Power Mapswitch. The stock mapping remains available on a riding mode of your choice, with the Performance Flash on the other modes.\u003c\/p\u003e\n\u003ch3\u003eWhy is the fan temperature lowered?\u003c\/h3\u003e\n\u003cp\u003eWe lower the switch-on and switch-off temperatures of the fans by approx. 4 °C each. Active cooling starts earlier and runs longer, which thermally relieves the engine during sporty riding and high ambient temperatures.\u003c\/p\u003e\n\u003ch3\u003eCan the Vmax limiter be removed?\u003c\/h3\u003e\n\u003cp\u003eYes. Upon request, we remove the top-speed limit of your Z 900 so that the acceleration does not cut off prematurely.\u003c\/p\u003e\n\u003ch3\u003eCan the immobilizer be deactivated?\u003c\/h3\u003e\n\u003cp\u003eYes. For racetrack use, we can deactivate the immobilizer upon request, allowing the motorcycle to be started without an ignition key.\u003c\/p\u003e\n\u003ch3\u003eIs the software tuned to my exhaust system?\u003c\/h3\u003e\n\u003cp\u003eYes. We take into account the installed slip-on, air filter, catalytic converter, and other relevant modifications during tuning. Please provide these details in the comment field of your order.\u003c\/p\u003e\n\u003ch3\u003eDoes the optimization also work with a catalytic converter?\u003c\/h3\u003e\n\u003cp\u003eYes. The power increase and optimized injection maps are also possible with a catalytic converter. However, regarding the fuel cut-off, only overrun burbles are possible with a catalytic converter, not pops \u0026amp; bangs.\u003c\/p\u003e\n\u003ch3\u003eDo I need a sport exhaust or sport air filter for the optimization?\u003c\/h3\u003e\n\u003cp\u003eFor the stated power increase, yes – an aftermarket slip-on and a sport air filter are necessary for this on the Z 900. The other optimization functions are available to you even with stock hardware.\u003c\/p\u003e\n\u003ch3\u003eDoes the control unit need to be opened for programming?\u003c\/h3\u003e\n\u003cp\u003eNo. The ECU is not opened or damaged during programming. The optimization is also not recognizable from the outside.\u003c\/p\u003e\n\u003ch3\u003eHow long does the processing take?\u003c\/h3\u003e\n\u003cp\u003eAfter your ECU arrives, processing is typically completed within 24 hours. For shipments from Switzerland, the processing time is usually 24 to 72 hours.\u003c\/p\u003e\n\u003ch3\u003eIs the optimization suitable for all Z 900 models from 2025?\u003c\/h3\u003e\n\u003cp\u003eThis software optimization is intended specifically for the full-power Kawasaki Z 900 (91 kW) for model years 2025 and newer. We offer a separate optimization for the restricted 70 kW version.\u003c\/p\u003e\n\u003ch3\u003eAm I allowed to use the optimized software on public roads?\u003c\/h3\u003e\n\u003cp\u003eThe software deviates from the stock state. Use is permitted exclusively on closed circuits or racetracks.\u003c\/p\u003e","brand":"FLAWLESS Industries","offers":[{"title":"Default Title","offer_id":58915658531080,"sku":"SWOPT_KAWASAKI_Z900_MY25_FPF","price":493.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/6567\/1432\/files\/d64eb851-7e9e-4d9d-a9d6-5eff430be5e4.png?v=1789389559","url":"https:\/\/flawless-shop.com\/en-ch\/products\/kawasaki-z-900-ab-2025-flawless-ecu-performance-flash","provider":"FLAWLESS Shop - Performance. Uncompromised. Made in Germany","version":"1.0","type":"link"}