It's strange. The Motron runs very well, it just tops out at 25mph. I took apart the topend tonight out of curiosity. Both the intake and the manifold measure to 12mm, so I don't have the restrictive 25mph 9mm intake like some V1s but it acts like its restricted. Checked the pipe and its clear. Also the plug looks good. Such a clean machine, it was a pleasure to work on.