if i were to spend the money on a 08 i would spend another 80.00 or less for a tach, i would want something other then the sound of a rod blowing out of the block to tell me that i'm pushing it to far. a lot depends on the brain power of the operator, i agree safety is important but most things are dangerous without using common sense.
a jet ski will do 60 and it has no brakes, jus say'n
just my two cents