I would have to agree with Green Cannon, '89 and up are pretty much all interchangeable...
all you got were Bold new graphics
The parts for the older girls are getting harder to find and are more expensive.
But just like any other vehicles in their twenties I guess.
The suspensions can all be made to work well, It's just how far you would like to go.
These old motocross bikes are about as good as it gets if you can only have one bike to do it all.
With very few modifications you can ride pretty much anything except trials.
There is plenty here to peruse, and most anything you can think of has probably been tried.
Tuck\o/