hi folks, i am new here, i am am also having difficulty with the 5th gear upgrade, i have a 2001 and a 2009 R151 gearboxes and the 5th counter gear is different on both of them, and the Dyna r452 (par no25030) is different to both of them!! how do i find out which gear i need??
when i get enough posts i will put up some photos
cheers Mark