you know these tacks are not that acturate ....ithink its easy for the tacks to be off some and the speedos too .....best i can figure from info ive look up is
1000s 4100-4200 rpm at 70
80-81 5000 at 70mph
82 4000 at 70mph
83 3600-3700 at 70mph
1000s 4100-4200 rpm at 70
80-81 5000 at 70mph
82 4000 at 70mph
83 3600-3700 at 70mph