No base map for 259e cams on Tmax - Road Glide Forums
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post #1 of 15 (permalink) Old 05-10-2014, 07:49 AM Thread Starter
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No base map for 259e cams on Tmax

Got my Tmax. Installed, updated all is good. Now for base map selection, all thats available for what kit i have(SE 103" stage IV w/259e cams) is one thats identical except the 260 cams.

Is this safe to run or do i need to find a map for the 259e's? If so where would i get one? And once i get it base mapped, do i need to ride the bike a certain way so it can auto tune?
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post #2 of 15 (permalink) Old 05-10-2014, 08:35 AM
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You should be safe with that map, you're basically trying to get close and let the TMax tune in. You can always call Frank at Dragos, I'm sure he's there today and he'd be glad to help.

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post #3 of 15 (permalink) Old 05-10-2014, 09:19 AM
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Go with map #305 to start with the cam is close and the TB & injector size is right.
I have found that the exhaust is not a big factor in choosing base maps because the auto tune will tune the AFR no matter what exhaust you have.
In my stage IV with the 259E cams I could never get the spark knock out completely. My spark knock was always when accelerating over 1/2 throttle or when the bike was under load.
No matter what you will have to make timing adjustments to the base map and it will take some time and riding sessions to get everything close.
The best way is to have the bike dyno tuned which I never did because it is hard to find competent dyno techs that are familiar with the T-Max tuner.


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post #4 of 15 (permalink) Old 05-10-2014, 08:55 PM Thread Starter
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So for spark knock, I'll have to retard timing, or add fuel?? Or both?
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post #5 of 15 (permalink) Old 05-11-2014, 05:21 AM Thread Starter
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Forget that! I'm no tuner. Isnt this thing supposed to tune itself???
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post #6 of 15 (permalink) Old 05-11-2014, 05:49 AM
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Quote:
Originally Posted by ironmike666 View Post
Forget that! I'm no tuner. Isnt this thing supposed to tune itself???
I'm no tuner either, put the base map in and ride, no two bikes are the same, it will basically tune itself and if you have any issues you can contact tech support to send them a sample of what you have, and they will tell you what you need to do, it's really simple as long as you have a pc.

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post #7 of 15 (permalink) Old 05-11-2014, 12:03 PM
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Quote:
Originally Posted by ironmike666 View Post
Forget that! I'm no tuner. Isnt this thing supposed to tune itself???
A auto tuner is only going to auto tune the AFR it WILL NOT auto tune TIMING. This is true with any auto tuner not just the T-Max.
Put in the base map and do your riding sessions, a riding session is 25 to 50 miles of riding.
After a day of riding hook up your PC and go to "Map Editing" than click on AutoMap (write learned fuel adjustments CLP OFFSET). Doing this will allow the ECM to learn and adjust to your riding habits.
If you do get spark knock after doing this 5 or 6 times then you will need a timing adjustments to the bike. You will need to take note of RPM and the aprox throttle position the spark knock occurs.
After doing that you can do a DATA COLECTION and send it in to T-Max support and they can make MOD MAP for your bike and you just download the new MOD MAP and then do the riding session and AutoMap.
You may need to have MOD MAPS made a few times to get things right or if you want you can make timing adjustments by yourself by using either the
Timing vs engine temp
Timing vs engine speed
Timing vs TPS

You are tuning the bike without a Dyno so it will take some time to get things just right.


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post #8 of 15 (permalink) Old 05-11-2014, 05:15 PM Thread Starter
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Right on thx alot for the help.
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post #9 of 15 (permalink) Old 05-12-2014, 11:51 PM Thread Starter
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Did a session, some fairly weird patterns on the graphs. Also threw a few codes. o2 sensors high and low. 131, 132, 151, 152....anything to worry about??
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Last edited by ironmike666; 05-12-2014 at 11:56 PM.
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post #10 of 15 (permalink) Old 05-12-2014, 11:58 PM Thread Starter
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more samples of the graphs
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