2007-2009 Honda TRX300EX TRX300X service manual, Page 191Get this manual
ALTERNATORSTARTER CLUTCH Install the starter driven gear while turning it counterclockwiseCheck that the starter driven gear turns counterclockwise smoothly and does not turn clockwiseInstall the flywheel (page 11-13)
DRIVEN GEAR
FLYWHEEL INSTALLATION
Apply engine oil to the needle bearingInstall the spacer and needle bearing onto the crankshaftRemove any oil off the mating surfaces of the crankshaft and flywheelInstall the woodruff key into the crankshaft key groove