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Old Jul 3rd 2019, 11:03 PM   #1
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V4r rev limit

Does the v4r need the full exhaust/upmap to rev to 16k rpm? I was told it did and without it it will max at 13k rpm.
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Old Jul 4th 2019, 04:26 AM   #2
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don't know about standard exhaust but with the race kit/Akra it hits the rev limiter @16.5k in top gear easily!
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Old Jul 4th 2019, 07:47 AM   #3
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Well it was part if the sales pitch on the full akra/upmap so I wanted to see if the rev limit thing was true
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Old Jul 4th 2019, 09:28 AM   #4
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Originally Posted by gnance View Post
Well it was part if the sales pitch on the full akra/upmap so I wanted to see if the rev limit thing was true
On US bikes the ECU is restricted. It will still rev past 13k, but it's not making full power. The Akra upmap from the dealer isn't restricted, so if you want full power then you have to get the Akra + dealer upmap. Perhaps in the future there will be other tuning solutions as well.
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Old Jul 4th 2019, 11:28 AM   #5
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Yep, restricted

From the below thread:

Here's the deal. Check out this link on the US EPA site, row 78, it's the V4R. Says 153kW at 13,250 rpm. The regular V4 is 158kW at 12500.

https://www.epa.gov/sites/production...6-present.xlsx

Ducati's site says the V4R without the Akra should be 162kW at 15,250. So it looks like the US bikes are restricted in stock form to the tune of ~12hp and ~2,000 rpm. Hopefully the up-map removes the restriction.

https://www.ducati.com/us/en/bikes/p.../panigale-v4-r

By the way, for the regular V4/V4S, the EPA data is almost exactly the same as Ducati's published figures (without Akra).


And in full (if the above links didn't work, the original post seems to):

US V4R restricted?
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Last edited by Mutt1979; Jul 4th 2019 at 03:35 PM.
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