Im going to do a build thread on putting an OG/SF Motor in my 2023, some will ask, why not just buy an OG/SF, well I already have several, like the looks of the new bike, but the motor is limited, and Im looking for more than its 149cc potential. To start with, to put a old motor in the new chassis, you have to relocate the top mount, also the back of the motor is wider by about 1/4" where the two motor mounts go, so you either narrow the case or widen the frame, I chose to widen the frame so I can swap motors with my other Groms without having to keep track of spacers etc...