1150?? You can do them yourself as long as you haven't ridden on and got rivets banging off the teeth (The rivets can't usually get to the teeth!!! But some times I wonder after seeing what I have seen
1 Big Bearing
1 Big Seal
1 Big O ring
200 ish cc of Gear oil
2 ABS o rings if it is ABS
And a bit of patience and common sense