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Discussion Starter #1
Anyone do a custom tune on their stock 790? I wonder if some of that surging at low RPM could be fixed.

Even better would be also if on a flash if that dead spot the first few degrees of throttle could be adjusted, eliminated.

I see there are replacement ECUs but local tuner would much cheaper and more specific
 

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'20 890R
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Can opened.

Worms running everywhere.




Simple answer is one of two options available but neither are likely to be what you want to hear.

#1. Coober - sooooo much info on here about that unit and it's effects/benefits.
#2. PCV + Tune - not a reflash, just a tune. It's pricey IMO and offers very small gains but if you're only looking for the emissions crap dealt with and a smoother riding experience it's an upgrade.

Both the Coober and PCV route help make the bike smoother and some of the electronics are improved apparently - the QS for example.
 
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