ECU Mapping on '18 Speedmaster - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 8 (permalink) Old 07-11-2019, 12:40 PM Thread Starter
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ECU Mapping on '18 Speedmaster

A knowledgeable Triumph friend is telling me that due to new EU standards, the ECU's in the new SM is locked and cannot be re-mapped for modifications.

He also said that the ECU can easily handle small changes to the system like the Vance & Hines slip-on mufflers.

But the dealer is telling me that 1. The ECU is not locked and can be re-mapped; 2. They re-map it at the 500 mile service which has just been completed; 3. The V&H pipes SHOULD have an ECU re-mapping......

Any experts out there who can confirm what the real situation is?

TIA !

GN

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2018 Triumph Bonneville SPEEDMASTER! A Dream Collection" (w/apologies to all '60's purists)
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post #2 of 8 (permalink) Old 07-11-2019, 03:34 PM
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Not an expert on anything but from what has been discussed by the water cooled folks
The ECU is locked for any non Triumph Dealer interaction beyond reading information like CEL codes (although those can be accessed from the primary displays menu). So no DIY remapping with TuneECU or the like. Triumph dealers can flash the ECU with updated maps (using the Triumph approved app) so who is to say if the DIY route may be found in the future.
The fuel injection system indeed seems more capable/intelligent than the very basic system used by the earlier air cooled EFI models.
Has certainly been discussions about it in the Water Cooled Twins area.

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post #3 of 8 (permalink) Old 07-11-2019, 05:03 PM Thread Starter
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Thanks Matty!

GN

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2018 Triumph Bonneville SPEEDMASTER! A Dream Collection" (w/apologies to all '60's purists)
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post #4 of 8 (permalink) Old 09-04-2019, 11:28 PM
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factory tuning is generally EPA lean + intake + exhaust mods make it worse + unless you can read air-fuel ratios while riding WHO knows whats going on!!
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post #5 of 8 (permalink) Old 09-05-2019, 03:25 PM
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I fitted a TEC X-Pipe last year and since then my bike has been a bit ‘lumpy’ hard to define but quite characteristic of the old Meriden Triumphs, slow throttle response, lots of engine vibration and uneven at low revs (no oil leak though).

Yesterday I was at my Triumph dealer speaking to the technician and he told me about the “12 minute adaptation” technique that I could perform to re-adapt the ECU when I fit the Trident Silencers. The WC Twin ECU is 'adaptable' by the DIY'er and 'self learns' under certain conditions (note just riding it is not sufficient to force any major changes other than temperature related ones), rather than by plugging in like I did with ECUTune on my '15 America.

Out of interest, I thought I would try it to see if it improved the bike’s lumpiness as I had not done this since de-catting her.

I let the engine cool to almost cold and performed the procedure and lo and behold it has already transformed my bike! It is so smooth on the throttle now and much less vibration. He did say he could force the ‘tune’ with his special tools/factory app, but this ‘DIY’ procedure was actually much better and individual to the bike and the conditions around it.

It’s very straight forward:

1. Do not touch the throttle throughout the procedure as it will take the ECU out of ‘learning mode’
2. Start the bike
3. Allow the bike to reach normal operating temperature (the cooling fan will start up at 190 degrees as an indicator that this has been reached)
4. Leave the bike idling for a further 12 minutes (longer is OK, but shorter will take the ECU out of ‘learning mode’
5. Turn the bike off at the key (not the kill switch – Technician told me he had used the kill switch and been successful but his instructions from a few years ago stated to turn off by the key)
6. Allow to settle for at least 2 minutes before turning back on and riding normally.

This procedure will allow all the readings to be learnt from the sensors (eg. Lambda/airflow, temp, mixture) and the ECU will adapt throughout the range with this new baseline. It also allows the ECU to understand the zero position of the throttle, allowing much quicker response when twisting the throttle. This does assume that the throttle bodies are balanced within acceptable tolerance before hand (carried out as part of standard service at 500mile and 1yr+ by Triumph)

7. For advanced ECU learning, take the bike on a highway and ride smoothly between 40 and 60 mph for at least 12 minutes, (20 is better). This will train the ECU further for operating under load.

Hope this helps.
Paul
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Speedie '18: TEC X-Pipe | Handlebars: LSL Flat Track + Oxford 1 endcaps + Motone Up-And-Over Riser Kit + Riser Inserts | Corbin Solo Seat | Black rear finishers| Mid Controls | Trident exhausts
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post #6 of 8 (permalink) Old 09-06-2019, 02:15 AM
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Thanks for that info Paul.I only have 1,400kms on mine ATM and it's loosening up nicely but any future mods for me will start with the x pipe .

"Oh Man,I only ride 'em.I don't know what makes 'em work"
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post #7 of 8 (permalink) Old 09-09-2019, 11:59 AM
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Deleted, wrong thread

Speedie '18: TEC X-Pipe | Handlebars: LSL Flat Track + Oxford 1 endcaps + Motone Up-And-Over Riser Kit + Riser Inserts | Corbin Solo Seat | Black rear finishers| Mid Controls | Trident exhausts

Last edited by MrPix; 09-09-2019 at 02:43 PM.
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post #8 of 8 (permalink) Old 09-11-2019, 05:57 PM
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ecu mapping 2018 speedmaster

i put an x pipe and custom mufflers(?) on my 2018 speedy and did the warm up procedure mentioned and it runs great, probably better than the stock system.
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