2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 95Get this manual
MAINTENANCE Raise the rear wheels off the ground and support the vehicle securelyCheck for worn swingarm bearings by grabbing the swingarm and attempting to move it to side to sideReplace the bearings if any looseness is noted (page 18-7)
SPARK ARRESTER
Remove the three bolts, muffler tail cover and the spark arrester with the gasketSPARK ARRESTER GASKET
BOLTS Use brush to remove carbon deposits from the screen mesh, being careful not to damage the screen meshThe screen mesh must be free of breaks and holesReplace the spark arrester if necessaryInstall new gasket onto the spark arresterInstall the spark arrester and muffler tail cover, and tighten the bolts securely