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Offline dietDrThunder

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Remapping the ECU
« on: September 05, 2019, 09:51:02 PM »
Hi all! I promise I searched, but I'm not finding anything. What are we doing about mapping? Possible? Anyone in the states who has created maps? My bike has a bit of a stumble off-idle, and a lean surge when cruising at 4k rpm that I'd love to address. Thoughts?


If there is a thread, feel free to slap my wrist and point me at it :)

Offline Coconut

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Re: Remapping the ECU
« Reply #1 on: September 06, 2019, 04:10:41 AM »
As far as I am aware, ECU Maps can only be updated
using Triumph Dealers computer diagnostics equipment.

It is more likely that another issue is the cause
of the problem you have described.

I would start by checking that the connections at the
Throttle bodies are properly sealed. 

Some Members have reported that they can be awkward
to refit properly after being removed during routine
maintenance,  with the subsequent air leak
resulting in poor performance.

You could also try running the "Engine Adaption" process,
which can help things run smoother by "Adapting"
( Calibrating ) the ....
  • Closed throttle position reference status
  • Twist grip adaptation
  • Oxygen sensor adaptation status ( off idle )
  • Oxygen sensor adaptation range ( off idle )
  • Oxygen sensor adaptation status ( idle )
  • Oxygen sensor adaptation range ( idle )

To run the process :
  • Start the engine from cold WITHOUT touching the throttle
  • Allow the engine to warm up until the Cooling Fans kick in.
  • Allow the engine to run for a further 12 minutes
  • Switch the Ignition OFF
Cheers  :821:



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Offline dietDrThunder

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Re: Remapping the ECU
« Reply #2 on: September 06, 2019, 04:35:14 AM »
Thanks for that. Definitely good advice...already checked for throttle body issues, and it's all good. I will definitely run that process.

One other thing: I don't have a svc manual, so I don't have details re: throttle body synch process. I know from previous bikes that this can have a big effect on smooth running. What do we know about that?

Thanks!

Offline Coconut

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Re: Remapping the ECU
« Reply #3 on: September 06, 2019, 07:42:12 AM »
If the Throttles are out of balance this could also have an effect on the smooth running of the engine.

The process of balancing them requires removal of the Fairings, Fuel Tank ( temporarily ) and Airbox,
which are all relatively simple - following various guides throughout the Forum.

Whilst adjustment is not possible by the use of vacuum equipment,
and requires connection to Diagnostic equipment, this procedure can be completed
by using the after market DealerTool Diagnostics Device.

If you are going to be performing such tasks yourself I would highly recommend purchasing
a DealerTool Device, and a Service Manual, noting that official versions are only available
in Printed form from an authorised Triumph Dealer, unless you can find a "pre owned" version. 
( Electronic versions in ".pdf" format or on CD etc are all illegal copies ! ).

See this Topic : HOW TO: Balance Throttle Bodies.

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Online earthman

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Re: Remapping the ECU
« Reply #4 on: September 06, 2019, 08:11:27 AM »
*Originally Posted by dietDrThunder [+]
Hi all! I promise I searched, but I'm not finding anything. What are we doing about mapping? Possible? Anyone in the states who has created maps? My bike has a bit of a stumble off-idle, and a lean surge when cruising at 4k rpm that I'd love to address. Thoughts?


If there is a thread, feel free to slap my wrist and point me at it :)

After just doing the 20K service myself and finding that the cam chain/camshaft timing were slightly out on my bike, I'm wondering if this could be the cause of such an issue?
Years ago I experienced similar problems on a cam belt driven car, totally fine to drive at the higher end of the rev range but not below, turned out that the belt had actually been fitted one tooth out of sync.