2005 Kawasaki Brute Force 750 4x4i, KVF 750 4x4 ATV Service Manual, Page 194Get this manual
8-4 ENGINE LUBRICATION SYSTEM Specifications
Item Engine Oil Type Viscosity Capacity Standard API SF or SG API SH or SJ with JASO MA class SAE 10W-40 2.1 (2.2 US qt) (when filter is not removed) 2.2 (2.3 US qt) (when filter is removed) 2.6 (2.7 US qt) (when engine is completely dry) 430 kPa (4.4 kgfcm, 62.6 psi)