Problem after changing the the sprockets and chain

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Hello,

I´ve recently changed the whole sprocket kit in my SFV2 -22 (I asked a workshop to do the job).
The main differense now is that the front sprocket is a size smaller (one notch less). Otherwise the back and the chain is the same.
Yesterday i took the first longer ride after the change, and the bike is running great and feeling smoother with the smaller front sprocket. However, there are three things that have occurred with the bike after the package replacement that I've never experienced before:

  1. Sometimes the quickshifter stops working when downshifting. I can still manually downshift, and after a short while, everything works normally again.
  2. Occasionally, the gear indicator (the one displaying the current gear on the display) shows a hyphen and two lamps with an exclamation mark and an 'N' start blinking. The bike can still be ridden, and it shifts and runs as usual.
  3. Shortly before I got home yesterday, about 1 mile away, the engine warning light came on. Maybe related to the above issues? I turned off the bike for a while to check if the light would go off, but it didn't. Otherwise, I didn't notice any difference in idling or engine sound.
As I mentioned, the bike is running well, and I don't hear any unusual noises or other issues. Since the package replacement, I've ridden around 15-20 miles, no more than that.

Today I did the "Tire calibration". But incredibly frustrated, I'm back home. In the calibration, I'm supposed to ride at 48-52 km/h in second gear. Almost every time, I stayed within that speed range, but still, it said 'failed.' I've been out for over an hour just trying to calibrate, but I failed constantly!
Maybe the reason I failed the calibration is that I didn't ride at all within the 48-52 km/h range as indicated on the display?

I have contact with the workshop and feel confident that he is going to help me, and we are going to talk to each other on Monday, but I need to know if some of you have experienced that same issue?

Thanks in advance

Hi
I just swapped my front sprocket the same as you and I have exactly the same issues showing on the dash.
Did you manage to get the problem sorted?
The way the bike rides now is so much better so I don't really want to put the original sprocket back on.
Many thanks
K
 
When I discussed gearing changes with @DeussenEngines at the time I was ordering a tune from him, he advised against going -1 on the front, because the programming can only handle up to +2 on the rear. At the time he didn't have a solution. Perhaps meanwhile he has found a way to overcome this limit. May be worth checking with him.
 
Thank you for replying - going to go +2 on the rear and put the 15t original front back on.
Way too many people have reported issues on newer bikes.
Thanks again :)
 
You won't be able to make tire calibration with +2 on rear, but bikes works fine.
I went from 45 to 47 now to 46 (+1).
 
Hi
I just swapped my front sprocket the same as you and I have exactly the same issues showing on the dash.
Did you manage to get the problem sorted?
The way the bike rides now is so much better so I don't really want to put the original sprocket back on.
Many thanks
K

Go to a ducati dealer or buy an obdstar iscan and do a reset drive adaptive system and is going to be fixed
 
No it's not 14T sprocket won't work unless you speak with Daniel Deussen and get his remap (which I highly recommend).
 

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