2003 2005 YFM45FAR, YFM450FAR Kodiak OEM Service Manual, Page 217Get this manual
MIDDLE GEAR G Tighten
the bearing retainer
CAUTION:
The middle driven shaft bearing retainer has left-handed threadsTo tighten the retainer turn it counterclockwiseBearing retainer: 110 Nm (11.0 kg, 80 ft lb)