2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 390Get this manual
REA DRIVING MEC HANISM UNIVERSAL JOINT Check he boot or cuts or other am ageCheck hat he oi nt ov es smooth ly wit hout bindin oise
FINA DRIV OPRRATION
Tu rn he io jo in nd che ck th at th gea turn smoot hly and qui et ly it ho ut bi nd ing If th gears Th ey fa lty gea rs no turn mooth ly or uietl y, he ndor bearin may be age or aultymu st hec ked after disassemblyrepl ace pa rtsassem blies as requ ired