2006 Honda TRX680 Rincon Factory Service Manual, Page 489Get this manual
REAR DRIVING MECHANISM breather hose upper mounting nuts and bolts
Lower the jack slightly and move it rearward to dis- O-R|"N connect the propeller shaftRemove the final drive assembly out of the vehicleRemove the following: universal joint O-rings (from the propeller shaft and output shaft of the engine)