2006 Honda TRX680 Rincon Factory Service Manual, Page 463Get this manual
FRONT DRIVING MECHANISM DIFFERENTIAL INSPECTION Install the inspection tools into both sides of the differentialTOOL: Differential inspection tool 07KMK-HC50101 or 07KMK-HC5010A (U.S.Aonly)
Hold the flat surface of the tool with viseAttach torque wrench to the other tool and measure the limited slip torqueSTANDARD: 1417 (14.517.5 kgfm, 1013 Ibf-ft) SERVICE LIMIT: 12 (1.2 kgf m, Ibf-ft) If the slip torque is out of specification, disassemble the differential and perform the components inspection (page 18-20) since the differential may be faulty