Zx12r ecu flash - Page 2 - Kawasaki Forum :: KawasakiWorld.com
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post #16 of 24 Old 01-27-2018, 07:12 PM
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Originally Posted by YoWattup View Post
Got a how to Scott? Or is it a bit too hardcore? Id be real keen for a thread
Hi guys,

We only figured how to reflash the 16bit ZX-12R ecu without cutting into it last October. You can find out more about it here:
https://sites.google.com/site/mrholl...-ecus/kawasaki


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post #17 of 24 Old 01-28-2018, 04:02 AM
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Originally Posted by mr hollywood View Post
Hi guys,

We only figured how to reflash the 16bit ZX-12R ecu without cutting into it last October. You can find out more about it here:
https://sites.google.com/site/mrholl...-ecus/kawasaki


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would like to know more about your way of flashing the ecu of the 12
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post #18 of 24 Old 01-28-2018, 08:29 AM
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ZX12R 16bit ECU reflash

The original programming interface discovered by RidgeRacer involved "notching" the ECU to access the processor's BDM port. A $500 BDM tool was then used to read or reprogram the flash memory. Psyche and RhinoPower later developed a cheaper DIY parallel port BDM tool, but that also required cutting into the ECU.

Last fall we discovered that the ZX-12R (21175-10xx) Denso ECUs could also be read and programmed via an OBD (k-line) port on ECU pin 31, so we no longer had to cut into the ECU. Interfacing the OBD (k-line) to a computer USB port is done with a VAG-COM KKL (CH340 chipset) OBD2 cable, but you have to make an adapter to connect the cable to the correct ECU pins and an external regulated 12VDC power supply.

A Flash tool software package is then used to communicate with the ECU for reading and reflashing. The process for making modifications to your ECU's 96k bin file hasn't changed and an editor (like RomRaider) and definitions for your ECU model are still required. The Flash tool software also allows you to read the ECUs NVram, where the (yoshbox/Teka) fuel trim settings are stored.

That being said, if you're just looking to tune your fuel maps following some basic mods, get a Power Commander. If you're into more serious mods and need to change rev limits, TRE, MSO/MS1 maps, ignition timing etc. then you want a reflash. Just bear in mind that you can only reflash an ECU a few hundred times and that some ECUs can't be reflashed at all.

If you're still interested reflashing your own ECU, you should first get the OBD cable, build an adaptor and try reading your ECU. After that you can install RomRaider with your definitions to see what modifications you can make to your ECU. Then if everything goes well, you can decide if you want to get a flash/erase license.

You can find all the technical info you need here:
https://sites.google.com/site/mrholl...-ecus/kawasaki


[email protected]
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post #19 of 24 Old 01-28-2018, 10:53 AM
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Originally Posted by mr hollywood View Post
The original programming interface discovered by RidgeRacer involved "notching" the ECU to access the processor's BDM port. A $500 BDM tool was then used to read or reprogram the flash memory. Psyche and RhinoPower later developed a cheaper DIY parallel port BDM tool, but that also required cutting into the ECU.

Last fall we discovered that the ZX-12R (21175-10xx) Denso ECUs could also be read and programmed via an OBD (k-line) port on ECU pin 31, so we no longer had to cut into the ECU. Interfacing the OBD (k-line) to a computer USB port is done with a VAG-COM KKL (CH340 chipset) OBD2 cable, but you have to make an adapter to connect the cable to the correct ECU pins and an external regulated 12VDC power supply.

A Flash tool software package is then used to communicate with the ECU for reading and reflashing. The process for making modifications to your ECU's 96k bin file hasn't changed and an editor (like RomRaider) and definitions for your ECU model are still required. The Flash tool software also allows you to read the ECUs NVram, where the (yoshbox/Teka) fuel trim settings are stored.

That being said, if you're just looking to tune your fuel maps following some basic mods, get a Power Commander. If you're into more serious mods and need to change rev limits, TRE, MSO/MS1 maps, ignition timing etc. then you want a reflash. Just bear in mind that you can only reflash an ECU a few hundred times and that some ECUs can't be reflashed at all.

If you're still interested reflashing your own ECU, you should first get the OBD cable, build an adaptor and try reading your ECU. After that you can install RomRaider with your definitions to see what modifications you can make to your ECU. Then if everything goes well, you can decide if you want to get a flash/erase license.

You can find all the technical info you need here:
https://sites.google.com/site/mrholl...-ecus/kawasaki


[email protected]
Got to admire you guys you certainly know your stuff....guess everyone to their own, all the years people have been milling their ECU's then you find the Holy Grail of doing the flash without the cut....think someone already does the 32bit ECU's without chopping ?

*** ZX12-R ~ RT2 360 ~ XR650R ~ DT175MX ***
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post #20 of 24 Old 01-28-2018, 02:55 PM
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ya the 04 05 32 bit can be done with woolich, be nice if some guys gave them some competition to lower the cost

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
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00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #21 of 24 Old 05-15-2019, 04:35 AM
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Going to bump an old thread here. So there were rumors that the 2000 zx12r was limited as well. It was said that after the press test bike dumped a rod and the agreement on speed, they limited the 2000 as well. That is why it never hit closer to 200.

Any truth to that and are the 2000 ecus locked or limited?
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post #22 of 24 Old 05-15-2019, 02:09 PM
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Going to bump an old thread here. So there were rumors that the 2000 zx12r was limited as well. It was said that after the press test bike dumped a rod and the agreement on speed, they limited the 2000 as well. That is why it never hit closer to 200.

Any truth to that and are the 2000 ecus locked or limited?
There are no intentional added limitations in a 2000 ecu that prevents a bone stock 12 from doing 200mph. Just not going to get there.

If you add a good pipe, v-stacks, air filters, a little timing, lower it. Good conditions and a rider that has a great tuck. You can get real close to 200. If not get it. With a stock ecu.

18/46 and a 200/50 at 10,500 is only good for about 185mph. So going to need some gearing and or rpm increase.

If you consider 10,500 a ecu limiter then I guess that’s fair.

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post #23 of 24 Old 05-15-2019, 07:45 PM
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Thank you CMG for your response. Wjat gearing would you suggest, stock?
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post #24 of 24 Old 05-16-2019, 04:03 PM
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Thank you CMG for your response. Wjat gearing would you suggest, stock?
For street? I would do 17/46. Way better from 0-180

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