Hey guys, I own a 2020 YZ250FX that I want to legalize on the street, I know I need it: and I had to install a key somehow, but this as well as the tires I lost, where to start, someone legalized his 2020 YZ250FX in ct and if so, how easy/heavy was it and how difficult is it, Install a key? On the bLU cRU 250cc four-stroke enduro bike. Many people use Sicass kits for electrical stuff, they include switches for hydraulic brake lines and everything else you need.sicassracing.com/ If you just look through sicass, it says they only have up to 15-17 models for the FX Make a new one or with the universal suffice you need to be a member, to be able to leave a comment.