2007-2009 Honda TRX300EX TRX300X service manual, Page 201Get this manual
CRANKCASETRANSMISSIONCRANKSHAFT
CRANKCASE SEPARATION
Remove the following: engine (page 6-2) primary drive gear (page 9-15) cylinder and piston (page 8-4) reverse shifter (page 9-17) gearshift linkage (page 10-4) flywheel (page 11-10) starter motor (page 18-6) bolt, washer, collar and cam chain tensioner cam chain
right crankcase bolt
Loosen the left crankcase bolts in crisscross pattern in or steps then remove the clutch cable clamp