2006 Honda TRX680 Rincon Factory Service Manual, Page 91Get this manual
MAINTENANCE Remove the O-ring and sealing washer from the drain boltInstall new sealing washer onto the drain boltCoat new O-ring with oil and install it into the groove in the drain boltAfter draining the oil completely, install the drain bolt and tighten itTORQUE: 25 N-m (2.5 kgf m, 18 Ibf-ft) O-RING
OIL DRAIN BOLT
spill the oil out of the filler neck
SEALING WAHSER