2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 504Get this manual
REAR DRIVING MECHANISM Coat new Qring wi th molybdenum disul firl tl qreese and install it into th roove in Ihu outp ut
shahApply molybdenum di sulf ide grease to the sp lines of the both sides he un iv ersa jo int and in stall it on to the utput shalt until is full sealed
Coat 11 new O-ring ith molybdenum disul fide qreaaa and ins tall it into th propeller shan gr oove Put the final rive assembly on flo or jack or other adjustable support and pl ace th assem bly under the main frameWh ile adjusting th jack height, move the fina drive assembly fo rw ard and co nnect the propene- shaft into the niversal joint
Be caret1nO to Set the final drive assembly into the main fr ame and I