2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 67Get this manual
MAINTENANCE
SPARK ARRESTER
Remove the bollS, washersmuffler hd and gasket
Block the end afthe muffler Wilh II shop owelStart the engine whh the transmission in neulral, and purge accumulated carbon from the uffler by omentarily revving the engine several timesStop the engine and allow the exhaust system to cool
Be SU fe that the uffler lid bolls, wll5hers lind gas ket IIfll in good condi tionReplace th em if neces-