2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 493Get this manual
REAR DRIVING MECHANISM FINAL GEAR CASE DISASSEMBLY loosen the cover bolls in crisscross pattern in several ste ps and rem ove hem
Pry the cover at the ry ing poi nts us ing scre -
driver and remove the case cover Remove he D-ring
Remove the ring gear and shims
RING GEAR