200cc Jascool, looks like there is space but I won't know until it gets shipped. I been trying to google dimensions of 200cc and 420cc engine. In the jascool it looks like the engine placed horizontally. I feel it won't fit perfectly without me cutting some of the structure away.
https://www.bobcatsmotorsports.com/category_s/305.htm
https://www.bobcatsmotorsports.com/S...-200-trike.htm