never done it on the track.... but dave your not on your own mate when i had done putting the bike together we had the family round for my dads 65th b-day my dad said to my uncle mike and the rest of them that i had done with the bike the conversation turned to what did it sound like so got my lid on whent round the block then blasted down the road in front of my house and...............................helps if you put the fuel in it