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Old Dec 11th 2015, 07:24 PM   #11
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Whats the benefit of turning off o2 sensor?
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Old Dec 11th 2015, 09:18 PM   #12
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Turn off 02 sensors in stock ECU

Nothing really since they are narrowband sensors and should only be getting used in limited situations like cruise and low power. I guess the ECU will default to a base map which will be a little rich and that can improve throttle response and reduce surging.
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Old Dec 12th 2015, 02:02 AM   #13
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Originally Posted by speedy14 View Post
What I like about the Rapid Bike unit is from what I have been told, it uses the low band CO2 sensors to adjust the lower throttle positions (ie street riding area of the throttle) that are not usually controlled by the "Auto Tuning" features of the Power Commander and Bazazz units.


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Ok, this one is new to me. Exactly W T F is a "low band CO2 sensor" used for?
I know what a narrow band sensor is (stock on most stuff), wideband sensors (expensive, but shows what the air/fuel actually is) and I've used 4 and 5 gas analyzers to do the same as widebands, but with much more accuracy. That said, I've not seen a CO2 sensor used on a car or motorcycle for tuning. Used for environment control, sure, but engines? Care to enlighten me?
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Old Feb 1st 2017, 11:27 PM   #14
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Bumping this old thread.

I'm in the same boat Leon was in. RB Race module, RB YouTune, full Akra, widebands, etc. I need to disable the stock o2's. It seems the fix is to take the bike to the dealership for a Rexxer flash ($300).They can't just go in and disable the o2's. They have to upload an entire map. So they upload a stock map with the o2's off, thus you get charged the same as if you were going in for a race map. Just wondering if anyone has found a different solution.

The only other thing I can think of is to weld in two more bungs and run four sensors. I did this to the stock pipe, but the Akra...screw that.
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Old Feb 22nd 2017, 04:37 PM   #15
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Rexxer reflash

I spoke to the owner of Rexxer prior to having the reflash done. He informed me that the reflash does not disable the o2 sensors, only stops the ECU from triggering a code and turning the check engine light on. He said to unplug the o2 sensors or the ECU will still listen to them and override the Rexxer map. I have done this on my 2015 1299s and am quite happy.
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Old Feb 22nd 2017, 06:17 PM   #16
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The reason for switching off the 02 sensors was to utilize the wide band 02 sensors without having to drill holes in the exhaust and have them welded. I sent my ECU to Moto Rapido in the UK and I love the setup. Also, the wide band 02 sensors were a perfect fit in the 300+ termi exhaust. Why go to Rexxer for a standard map. Get the 02s turned off by the pros and get a custom map with RapidBike. That's the best way to go.
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Old Feb 22nd 2017, 06:55 PM   #17
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Originally Posted by Ljuice26 View Post
Why would I purchase tuneboy when I already have RapidBike? That makes a lot of sense.
You will save some weight for a start. And you are not adding any other electronics into the system to complicate things or cause incompatibility issues.

TB gives you the access to do want you want with the mapping. Also you can adjust QS timing and also control the cooling fan if that is still fitted.

The problem with TB is that I think that many people do not really understand Wayne's product and all its capabilities. I certainly am no expert and rely on Wayne himself to do the work. Lucky for me I am in the same city.

I think it is also pretty cheap compared to the piggy back systems. And less weight.

Food for thought
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Old Jul 21st 2017, 04:20 PM   #18
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Originally Posted by bradp51 View Post
You will save some weight for a start. And you are not adding any other electronics into the system to complicate things or cause incompatibility issues.



TB gives you the access to do want you want with the mapping. Also you can adjust QS timing and also control the cooling fan if that is still fitted.



The problem with TB is that I think that many people do not really understand Wayne's product and all its capabilities. I certainly am no expert and rely on Wayne himself to do the work. Lucky for me I am in the same city.



I think it is also pretty cheap compared to the piggy back systems. And less weight.



Food for thought


I had Wayne Dyno and remap my 848. Runs great now.

I just bought a 1299S and installed TB Tune+Cruise and a trim to suit the setup.

The process was ok, but not as simple as you'd expect, it's not PnP that's for sure and the documentation doesn't mate get the current release of the SW. The videos on the support page don't match either and Wayne should just take them down and post the User Manual.

When I started the FlashMitsubishi program that handles all the Comms with the ECU, the dash went crazy, the fans turned on and ran the entire time I was reflashing the ECU. Pretty scary... but it reflashed ok

I started the bike, opened the Tune program and all the live data was on screen. I could see all the values in the tables etc.

The bike runs, the Cruise control starts, but I haven't had a chance to ride it yet. But what I can tell you is, the shitty fuel table switch that is used when you release the clutch is GONE! The root of so many stalls getting away from lights in traffic!

I'll post back how it runs etc

Wayne is a really nice guy, just wants to do his own thing which doesn't suit everyone he interacts with, but it's no problem for me. He is a super knowledgable guy & doesn't mind sharing!

Cheers, Phil


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