12 Minute Tune - Triumph Bobber Forum
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post #1 of 62 (permalink) Old 08-05-2018, 04:05 PM Thread Starter
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12 Minute Tune

Has anyone else, especially those of you with pipes, X-pipes, AC deletes etc. Done the 12 min. tune. I didn't do mine till the weather got warm out, probably last May. I thought it made a definite difference in the low end torque and with the first 1/4 or so of throttle response. It seemed I could pull a gear higher around town and when I needed to I could just roll on the throttle without down shifting.



I was just wondering about anyone else's experiences?
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post #2 of 62 (permalink) Old 08-05-2018, 04:10 PM
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I can do lots and lots of things in 12 mins (or less ) but you’ve peaked my curiosity. What is a 12 minute tune ????
Louie and Irisheye like this.
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post #3 of 62 (permalink) Old 08-05-2018, 05:13 PM Thread Starter
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Eisen, This is actually a pretty common thing, especially over on RAT. You may know of it by a different name.


Basically we can force the ECU on any water cooled Triumph to do an "Adaptive learning cycle" or something like that, it is in the factory service manual! It's purpose is to re-learn the ECU settings at the lower RPM and throttle settings. It's especially good after mods!


The procedure is simple.
1. Start your bike without touching the throttle.
2. Wait till the bike reaches 190F, This is simple the fan will come on!
3. Continue idling for 12 more minutes!


This will force the Adaptive RE-learn cycle according to Triumph!


If the ambient temp is cold outside, this could actually take 30 or more minutes, that is why I do it on hot days. This should be done on a cold start, not just after a ride!
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post #4 of 62 (permalink) Old 08-05-2018, 05:22 PM
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Ok. Got it, thanks.
There was a similar cycle on the GL1800 to reset the ECM & help stabilize the idle that would sometimes hunt. It worked for a while and then the “issue” would usually come back.

I’ll give it a try on the Triumph and let you know my result.

Thanks for sharing.
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post #5 of 62 (permalink) Old 08-05-2018, 06:38 PM Thread Starter
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Most modern engines have something equivalent!
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post #6 of 62 (permalink) Old 08-06-2018, 11:15 AM
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Hmmm interesting I might try this myself....Thanx .
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post #7 of 62 (permalink) Old 08-08-2018, 06:32 PM Thread Starter
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OK... So can I assume no one else did this or the results were not worth reporting. I thought this was a great thing and free no less!
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post #8 of 62 (permalink) Old 08-08-2018, 06:42 PM
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Originally Posted by BOBBYP View Post
OK... So can I assume no one else did this or the results were not worth reporting. I thought this was a great thing and free no less!
I'll do it once I install an X pipe.

So far behind , I think I'm in first place.
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post #9 of 62 (permalink) Old 08-09-2018, 12:31 AM
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I'm planning on doing this tomorrow. It's supposed to be really hot for the next few days, so I'm hoping it'll be a quick exercise. Planning on putting some miles behind me Friday morning, so I should be able to tell if there's a difference.

Each one matters.
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post #10 of 62 (permalink) Old 08-09-2018, 04:16 AM
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OK... So can I assume no one else did this or the results were not worth reporting. I thought this was a great thing and free no less!
Haven’t got round to it yet.
Will report my findings once I’ve done it.
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