2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 181Get this manual
ALTERNATORISTARTER CLUTCH Check the clutch outer and sprag clutch for abnormal wear or damageCLUTCH OUTER SPRAG CLUTCH
Check the starter driven gear for wear or damageMeasu re the starter driven gear boss 0.0
SERVICE LIMIT: 51.76 mm (2.034 in)
INSTALLATION
Install the sprag clutch into the clutch outer with the flange side facing the flywheel sideSPRAG CLUTCH
Apply locking agent to the clutch outer bolt threadsInstall the flywheel onto the starter clutch assembly and install the boltsHold the flywheel with the special tool and tighten the bolts