Autotune on Australian Models - ZX6R Forum
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post #1 of 2 Old 08-16-2014, 08:01 PM Thread Starter
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Autotune on Australian Models

Hi guys

I was wondering if someone with Autotune installed on an Australian 2013+ 636 can help clarify this?

I know the American models don't have a stock O2 sensor, so they don't have to worry about this.

When running Autotune, do you keep the stock O2 sensor, and install the Autotune sensor as well? Or did you remove the stock O2 sensor, and replace it with the Autotune sensor?

The problem I have is the 2013+ 636 cannot use an O2 eliminator plug. Just like the Gen 4 zx10r, it needs an O2 optimizer which Dynojet have not made. I know the stock O2 sensor just determines the closed loop function on the bike, however if it's removed (without the O2 optimizer), the bike should automatically default to it's stock maps and the PCV will no longer have any effect. Something that would make the Autotune setup feel rubbish, cause it's essentially gone back to stock mapping. The other side to this, if you keep the stock O2 sensor (without an O2 optimizer) with the Autotune, you may never see or feel a difference when the bike operates in closed loop (which is somewhere in the range 0-6500rpm at constant cruising after a few minutes), as the closed loop function will ignore the changes made from the Autotune (at least I think I have that description right...).

A photo of the area where the Autotune is installed would be of great help. Just to show if you have both, or just the Autotune.

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post #2 of 2 Old 08-16-2014, 09:18 PM Thread Starter
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Join Date: Mar 2013
Location: QLD
Posts: 246

I Ride: 2013 zx6r 636
For those interested, I think this answered the question (video attached):

Keep O2 sensor, unless it can be removed completely via ECU flash, or eliminator plugs supplied by Dynojet.

I'll guess that even if Dynojet releases an O2 Optimizer, Australian models will need to run with the stock O2 sensor. Only way to get rid of it is to flash the ECU and remove it in the software.

Last edited by bobbehp; 08-16-2014 at 09:37 PM. Reason: I'm really bad with forum posts
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