2006 Honda TRX680 Rincon Factory Service Manual, Page 274Get this manual
CRANKCASECRANKSHAFTBALANCER
CRANKCASE SEPARATION
Remove the following:
engine (page 8-2) cylinder and piston (page 10-4) sub-transmissiongearshift linkage (page 12-9) flywheelstarter clutch (page 11-14) torque converter (page 14-60) 1st shift clutch (page 14-62) oil pump (page 5-5) cam chain oil pump drive chain pivot bolt cam chain tensioner and collar BOLT
The crankcase bolts Remove the nine rear crankcase boltsare loosened in crisscross pattern in several steps