SMF - Just Installed!
Haven't we been through this about a year ago, the XBR engine is a pain in the ******* to fit into an RS frame, and it looks odd, but that last bit is just my opinion. the FT/XL500 engine is a much easier conversion. The reason I did mine was because at first glance it looks like a tricked up RS250 but when you're still on the back wheel in third it kind of gives the game away. There's a couple of videos on youtube now of RS500s including my own