Hey people,

Up late reading the TTS bible and setting up the starting calibration for my bike.

Just wondering about this:

4.3.2.
Set the Closed Loop Bias table(s)
This step establishes the actual AFR that your bike will have when running in closed-loop mode. TTS calibrates these tables for balance of economy and power, with light load running leaner than high load.
Note: If this is a Lambda Calibration skip this step as there is no Closed Loop Bias table.

Should you desire a different AFR, use the O2 Voltage calculator (in the MasterTune Tools menu) to determine a new O2 bias voltage setting. The normal setting range for this table is 250 to 675 mV. TTS does not recommend setting the CLB voltage above 800 mV, as over time O2 sensors degrade and loose the ability to respond at their voltage extremes.
Note that some calibrations have separate closed loop bias tables for the front and rear cylinders. Both of these should be setup following this procedure.

The following illustration shows changing the closed loop bias table to 664 mV across the board. Note the blue color which indicates the cell values were changed.

 

In MasterTune-HD i can't get 664, it only allows me to go up in tens:

 

I have saved the file at this, guess it ok?

 

Dave your settings are ok for now. Those settings might allow your bike to run hot. But it is different for every bike. I run mine at 720 due to the heat especially when it starts to warm up. When I first started playing with the TTS I ran a tune at 640 and found that the bike was running a lot warmer than it used to. ( Note the bike had a map loaded from Scotty when he was on here). You can try them at 660 and see how it goes. But you might find that as the weather warms up the bike is going to run hotter then you may like. With TTS you can run a map for winter and one for the warm weather. It just means 2 tuning runs with different CLB settings. Do a tune with the settings at 660, check for knock etc and finalize the map. Save then make your changes to the CLB/s to another setting then do another Vtune and check to see what the differences are between the maps. The second run should take a lot less time as you have done most of the work with the other map. Make any adjustments as required and then you have a map for winter and one for summer. However the best way to learn and use the TTS is to try. If you don't like it then change it back and have another go.

Thanks mate, but should the CLB be restored the original table when after the final Vtune?

I did read this but being a Automotive Technician (in the old days a car mechcanic) just thought it should of been reset:

 

4.10.
Restore the AFR and PE Settings to Original
When you have completed your final VTune correction, you MUST restore the original AFR table that was supplied in the calibration. Otherwise, the engine may run too lean for extended high-load operation.
1.
Load the final VTuned calibration into MasterTune
2.
Select the AFR table
3.
Click on the upper left corner to select the entire table
4.
Click the “Set to Original” button
Next, under Table Selection, select the “ECM Tuning Constants”. On the tabbed dialog in the right pane, select “PE Mode” and set the RPM to back to its original value by pressing the “Set to Original” button. This is typically 4500 RPM. Note that Sportster cals do not currently support this option.
These are the only two items that need to be returned to their original settings.
At this point, save your final file edits and program it into the bike. Enjoy your VTuned ride, or proceed with the optional steps if desired.

 

BTW

is there a quote or code button? i can't seem to find one this forum editor.

No leave them set at whatever you set them at. The only things you return to stock are your AFR settings, Accel tables if adjusted. and your PE Mode. I have read on other forums about not touching your Accel/Decel tables as you are tuning your bike and setting these to 0 contradicts the tuning process. I can understand where he is coming from as well. When you VTune you are adjusting the tune to your bike. By setting the accel/decel to 0 in all columns for both tables tables then tuning your bike and then setting them back to their original settings you are readjusting the tune again . I am going to give that a go when I get back into it.

When you read the manual it sort of contradicts itself as it doesn't state to set the Accel tables but in another part of the manual it does. Although I have not had a good read of the updated version as yet.

. Quote Reply Alert

Quote button is on the top of the post submitted and the right hand side.  use that to quote another persons post/part post.

 

I had another read of the Tuning Guide and yep still there in the flow chart, but not in the step by step guide.

Zeroing out your ae and de tables while vtuning will allow you to collect more data. These tables are activated every time you move the throttle and knock the bike out of closed loop.

I had already looked through the histogram the other day and it goes into waiting mode a lot.

So much so that it won't record closed throttle hits in the high rev range at all (eg 4000 rpm - 6800 rpm).

Will definitely be giving this a go. Thanks for the info.

When running Vtune, I have been selecting "Yes, auto-extend"

Is this right?

 

Thanks for all the help guy's