It stands to reason the fuel map will absolutely be different.
EHS first started putting information out there about how lean the 2014 Grizzly 700 was. And that instantly put a lot of "fear" in people that look things up online about the Grizzly 700. I'm also not saying it was entirely on EHS for that.
Now, I'm not saying EHS is wrong with saying the 686cc engine, starting in 2014, can run lean in certain throttle positions. It very well could have been his experience at about 200 some odd feet of elevation where his shop is. What I can tell you with certainty is when I purchased an EHS FI tuner for my 2014, I was told by Eric I should be running roughly the same map that is pre-programmed into the tuner even for my elevation, which where I live is 8000 feet and I absolutely mentioned that. I did not install the EHS tuner until after I got my wideband AFR installed and then installed both. Where I ride, my Grizzly 700 does not ever run lean without a tuner as I still have the FI tuner installed but basically have almost all of the settings turned off (down). I have been contemplating removing it as it is doing nothing for me.
Again, I'm not saying EHS is wrong in his statements in what he has found in terms of AFR and saying some of the machines run lean, at the altitude he is taking his measurements at. What I am saying is make sure you understand environmental conditions play into ICE and AFR and Eric was absolutely wrong when it came to his recommendations saying my machine will still be running lean at elevation... I have a meter that proves it does not. I have never used my 2014 Grizzly at an altitude any lower than about 5600 feet so I do not have data near sea level to know what happens there.
By the way, the new 686cc is actually the same top and bottom end starting in 2014. Same AIS, header pipe, exhaust but the air intake is different. If I recall correctly, there are also different ECUs.