2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 104Get this manual
CYLINDER HEADVALVE NOTE :
To ease installation of the coners, grease them first Compressmg the
Compress the valve spring with the valve spring com-
valve sprmg more pressor and nstall the valve conersthan necessary
when msrallflg the
vaVB C{Jrlers may
TOOL: Valve spring compressor
07757-0010000
cause loss of valve