2006 Honda TRX680 Rincon Factory Service Manual, Page 185Get this manual

2006 Honda TRX680 Rincon Factory Service Manual, Page 185

COOLING SYSTEM Install the fan motor on the motor stay in the direction as shown and tighten the three bolts securelyCTAV

Install the cooling fan on the fan motor shaft, aligning the flat surfaces
Apply locking agent to the motor shaft threadsInstall the nut and tighten it