I live in Texas. I picked up my new 2021 AK550 at the first part of April. I am/was of the understanding that in 2021 the AK550 is euro 5 compliant, ride by wire, and actually lost almost 2 HP, but did not loose any torque. I am going to contact my dealer the first part of this week and I will converse with him about the ride by wire amongst other things. Would Kymco or any manufacturer make 2 separate modified engines for the same year model? I don’t know, and I intend to try to find out. If the US 2021model is not ride by wire, then I am going to feel like I actually have what amounts to a 2020 model, made in 2021. I will report back what the dealer tells me. I know that mine was the first 2021 AK550 he got in.