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Discussion Starter #1
So I finally got everything needed to remap the ECU and just finished up round 1 of the changes. I’m super stoked, it’s a new bike!

In this round I derestricted the throttle so it doesn’t cut out over 5,800rpm or so, I raise the rev limit to 7,250 and kept the throttle open all the way up, then I changed the throttle position to make it more aggressive at higher throttle positions. It’s so awesome!! Pulls hard all the way, doesn’t even feel like it wants to give up, I can’t wait to get my cam in and do some head work to up the compression and clean things up a bit.

Tomorrow I’m going to pull the O2 sensors and turn them off.

I still have the PCV running over the top so I didn’t do anything to the AFR table, I’ll leave that alone until I get back to the dyno. I may just leave it on given how much easier it is to tune in real time as I make changes. Once I’m done done I may see if I can get it mapped over but I’m not so sure it’s that simple.
 

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Subscribed! I was thinking of doing the exact same thing. TuneECU remap with PCV piggyback (I use the PCV switch option). Would love to hear some tips on the work you did.
 

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Discussion Starter #4
Sounds like a new plan!!
I’m in..
what is step 1?
You need an Android based phone or tablet, download the TuneECU app, then buy the OBDLink Mx+.

From there you can download the stock map and make adjustments to it like the rev limiter, throttle restrictions, and throttle position settings. You’ll want to spend some time learning how it all works first if you don’t know already. You can change AFR and timing settings but I didn’t since I have the PCV over the top adjusting both from a tuner so I left those alone until I could get back in to have them do it.

Like I was saying, you can also disconnect the O2 sensors and disable them in TuneECU but you’ll need plugs and want to physically disconnect them so they don’t get screwed up. I’m going to try that tomorrow. This keeps the bike out of the closed loop setting.

I also need to say I’m pretty sure this voids the warranty and could seriously mess up your bike if you don’t know what you are doing or do it wrong so I’m just the messenger here.
 

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Discussion Starter #5
Subscribed! I was thinking of doing the exact same thing. TuneECU remap with PCV piggyback (I use the PCV switch option). Would love to hear some tips on the work you did.
The throttle derestrict and the rev increase are pretty straightforward. The rev increase is a simple adjustment and I just left the throttle position at max opening from the peak of where they were in the stock map, I’ll post some pictures of the throttle position changes I made. I can’t say I have any magic reason why i made the change I did though, I just thought it “looked” about right, but I’m a finance guy so what the **** do i know.
 

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Sounds amazing but far to technical for me.
Not really super technical, esp if you only want to change some basics like rpm limits or fueling to eliminate/increase popping on the overrun.
As rogan.mc says just get the bluetooth OBD & the app.
There is help available on the tuneecu forum.
 

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Discussion Starter #8
Pulled the O2 sensors today, made a couple little tweaks, runs fantastic! Definitely smoother in low rpm, low throttle settings. All around better. Only issue I seem to be having is the cruise control stopped working and I can’t get it to reset. The MIL light is on and it’s annoying. Tried the reset sequence but didn’t work, not entirely sure what to try.
 

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Do you feel a tangible difference between the PCV only vs TuneECU+PCV? I’d expect the biggest difference to be at the rev limits right?
 

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Discussion Starter #10
Do you feel a tangible difference between the PCV only vs TuneECU+PCV? I’d expect the biggest difference to be at the rev limits right?
Well, it’s hard to say, obviously the higher RPM and derestricting the throttle so it stays wide open is bad ass so TuneECU is worth it for that. I don’t think that’s a knock on the PCV though, it can’t change the throttle restrictions but I’d imagine it will be better for tuning AFR and timing in higher rpm. TuneECU is a bit of guess and check so I don’t plan on tuning with it really, just make broader adjustments I know need to happen and then use PCV to dial it in.

Where TuneECU wins hands down is lower RPM. The ability to disable the closed loop and richen up lower RPM and increase throttle settings on decel and low speed roll out is fantastic. It’s butter smooth and throttle sensitivity is way better.
 

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Discussion Starter #11
TecBike Cam going in next week along with skimming the head to increase compression! Very excited to see the difference and re tune the bike.
 

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Where TuneECU wins hands down is lower RPM. The ability to disable the closed loop and richen up lower RPM and increase throttle settings on decel and low speed roll out is fantastic. It’s butter smooth and throttle sensitivity is way better.
This is what has me pumped about TuneECU. Get the cruise control sorted yet?
 

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Discussion Starter #15
Any luck getting cruise control working again? How’s the cam?
Nope, haven’t fixed cruise control issue. Bike is in the shop getting cam and head skimmed right now. Will dyno tune again and then hopefully I can solve this silly cruise control issue.
 

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Try this for your cruise control. Taken from Tune Ecu site.

For cruise control models without "accelerate/decelerate", e.g. Bonneville Bobber, go ahead as follows:
- Key in ignition with power on
- Kill switch on Run
- Activate front brake switch
- Activate rear brake switch
- Clutch switch
- Negative throttle switch (push the throttle forward)
- Activate cruise on/off switch
 

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Is it possible to download the original factory map from the bike? I have an oem map from Tune ecu I can upload, but I don't see any way in the app to get a copy of the original map.
 

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Is it possible to download the original factory map from the bike? I have an oem map from Tune ecu I can upload, but I don't see any way in the app to get a copy of the original map.
According to the TuneECU forum, there’s no way to download your original map over Bluetooth. The file listed for the Bobbers are supposed to be stock maps.
 
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