Hi, I'd like to know if I am the only one who has this strange behaviour: Multistrada 1200 S m.y. 2010, Air filter, airbox mod, Arrow full (without cat inside, DB Killer equipped), the bike is really smooth throughout the range, but often "jumps" forward or closes the throttle when I twist the throttle control just a little bit in the middle of the corner. It is strange, I really can't isolate the problem, but the bike usually close the throttle for a moment, causing something similar to a delay or a typical on-off. Sometimes, but I am not certain of this, it jumps forward but I think that it happens when I open the throttle more to compensate. 1 - Could it be the Tuneboy? I have the v6 at the moment. 2 - If it is not Tuneboy, how can I use it to change this strange behavior? 3 - Could it be a faulty fuel pump? The pressure is ok, but I don't know if it is ok when I just slightly open the throttle. 4 - Could it be the APS? Thank you for hearing me out, hope someone has an idea because I don't know where to look.