Team Goh
In December 2020, Motoyama returned to single-seater racing, competing in the final round of the Formula Regional Japanese Championship at Autopolis in a car entered by Team Goh Motorsports. He entered the final round of the Super Formula Lights Championship at Fuji Speedway, driving for B-Max Racing. This marked Motoyama's return to the second tier of Japanese single-seater racing for the first time since 1995.