1999-2004 Honda TRX400EX FourTrax Service Manual, Page 53Get this manual
MAINTENANCE
SPARK ARRESTER
Wait until the exhaust system has cooled before removing or installing the arresterTouching the exhaust may result in severe burnsRemove the three bolts and the spark arrester with the gasket
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 the spark arrester with new gasket and tighten the bolts securely
NUTS, BOLTS, FASTENERS