So I checked the front sprocket on my '06 Speedy. It is (as has been suggested) an 18T but I still feel like to could go up a tooth. I guess I'll try a 19T and see how that works for me and even think about going down a tooth on the rear (did I get that the right way round ??? ) )


'06 Speedmaster, DBA Performance Pipes, re-jetted, needles, Snorkel / AI removed, shiny bits......