Suzuki GSX1300BK Owner's Manual page 195

DRIVE TRAIN
Clutch ................................................................................... Wet multi-plate type
Transmission ........................................................................ 6-speed constant mesh
Gearshift pattern .................................................................. 1-down, 5-up
Primary reduction ratio ......................................................... 1.596 (83/52)
Gear ratios, Low................................................................. 2.615 (34/13)
2nd ................................................................. 1.937 (31/16)
3rd .................................................................. 1.526 (29/19)
4th .................................................................. 1.285 (27/21)
5th .................................................................. 1.136 (25/22)
Top ................................................................. 1.043 (24/23)
Final reduction ratio.............................................................. 2.388 (43/18)
Drive chain ........................................................................... RK GB50GSV Z4, 118 links
CHASSIS
Front suspension .................................................................. Inverted telescopic, coil spring, oil damped
Rear suspension .................................................................. Link type, coil spring, oil damped
Front fork stroke ................................................................... 120 mm (4.7 in)
Rear wheel travel.................................................................. 137 mm (5.4 in)
Steering angle ...................................................................... 33° (right and left)
Caster................................................................................... 25° 30'
Trail....................................................................................... 107 mm (4.21 in)
Turning radius....................................................................... 3.0 m (9.8 ft)
Front brake ........................................................................... Disk brake, twin
Rear brake............................................................................ Disk brake
Front tire size........................................................................ 120/70ZR17M/C (58W), tubeless
Rear tire size ........................................................................ 200/50ZR17M/C (75W), tubeless