2005-2009 Kawasaki Brute Force 650/KVF 650 4x4 Service Manual, Page 231Get this manual
11-4 WHEELSITIRES Specifications
Item Wheel Alignment Toe-in of front wheels: Tires Standard tire: Front Rear Tire air pressure (when cold)Front Rear Maximun tire air pressure (to seat beads, when cold) Tire tread depth: Front Rear 28 kPa (0.28 kgfcm 2, 4.0 psi) 35 kPa (0 .35 kgfcm2, 5.0 psi) 250 kPa (2.5 kgfcm2, 36 psi) AT 25 8-12 DUNLOP, KT121A, Tubeless AT 25 10-12 DUNLOP, KT127 A, Tubeless20 mm (00.79 in at 1G Standard Service Limit