2003 2005 YFM45FAR, YFM450FAR Kodiak OEM Service Manual, Page 195Get this manual
CRANKCASE
INSTALLING THE OIL PUMP DRIVE GEAR 1.Install: Straight key Oil pump drive gear Lock washer New Oil pump drive gear nut
2.Tighten: Oil pump drive gear nut
50 Nm (5.0 kg, 36 ft lb)