Honda TRX450R Service Manual page 260

CLUTCH/KICKSTARTER/GEARSHIFT LINKAGE ('04 - '05)
Apply locking agent to the center pin bolt threads.
Install the center pin bolt and tighten it.
TORQUE: 22 N-m (2.2 kgf-m, 16 Ibfft)
Install the plunger springs, plungers and ratchet
pawls into the drum shifter, and set them into the
guide plate.
Install the guide plate/drum shifter assembly with
the "UP" mark facing up and tighten the two bolts
securely.
Install the shifter collar onto the drum shifter.
Install the thrust washer onto the gearshift spindle.
Insert the spindle into the crankcase while aligning
the return spring ends with the spring pin, and the
slot with the shifter collar.
Install the clutch assembly (page 13-10).
Install the right crankcase cover (page 13-22).
DRUM SHIFTER • SHIFTER COLLAR
PIN
13-21