Honda 2009 CBR1000RR Owner's Manual page 239

Specifications
Power Transmission
primary reduction
gear ratio, 1st
2nd
3rd
4th
5th
6th
final reduction
standard
sprocket sizes
final drive
230
Technical Information
1.717
2.285
1.777
1.500
1.333
1.214
1.137
2.625
drive (engine) sprocket:
driven (rear wheel) sprocket:
chain
DID 50VA11 or
16 teeth
42 teeth
RK 50HFOZ6