2005-2009 Kawasaki Brute Force 650/KVF 650 4x4 Service Manual, Page 250Get this manual
FINAL DRIVE 12-9 Specifications
Item Output Bevel Gear Case Output Bevel Gear Backlash Front Final Gear Case Gear Case Oil (Same Engine Oil):
Type Viscosity Oil Level Capacity Lsd Clutch Torque: (When Variable Differential 15 Control Lever Is Released (When Variable Differential Control Lever Is Pulled In Bevel Gear Backlash 20 Nm (1.5 2.0 kgf-m, 11 14 ftlb)-
Standard
0.05 0.11 mm (0.0020 0.0043 in (at output drive shaft spline)
Service Limit
API SF or SG API SH or SJ with JASO MA class SAE 10W-40 Filler opening bottom 0.43 (0.45 US qt)