1997-2004 Honda Fourtrax Recon TRX250TE/TM Service Manual, Page 122Get this manual
CYLINDER HEADCYLINDERPISTON Measure and record each valve guide I.DSERVICE LIMIT: IN EX: 5.525 rnm 10.2175 in)
Subtract each valve stem 0.0from the corresponding guide I.Dto obtain the stem-te-guide clearanceSERVICE LIMITS: IN: 012 mm (0.005 in) EX: 0.14 mm (0.006 in)
Relaes the valve
If the stem-te-guide clearance exceeds the service limits, determine if new guide with st andard the valve guides dimensions would bring the clearance within
seats whenever
are replaced (page 7-11)
toleranceIf
replace any guides as necessary
and ream to fitIf the stem-ta-guide clearance exceeds the service limits with new guides also, replace the valves and guides