2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 54Get this manual
FRAMEBODY PANELSEXHAUST SYSTEM
REMOVAL
Unlock the seat by pulling the release lever upPull the seat back and remove it
INSTALLATION
Install the seat by inserting the groove under the retainer, and the prongs under the mounting rubbersPush the seat forward and align the mounting bosses with the rubber mounts, then press down to lock itSEAT