1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 110Get this manual
CYLINDER HEADCYLINDERPISTON VALVEVALVE GUIDE Inspect eac va lve for bending, burning or abnorma stem wearCheck valve movement in the guide, meas ure and record each va lve stem 0.0SERVICE LIMITS: IN5.45 mm (0 .215 in) EX5.43 mm (0.214 in )
Rea the gu ides to remove any carbon depos its before checking clearancesInsert the reamer from the camshaft side of he head and always I'otate the reame clockwise TOOL: Valve guide reamer,
07984-200000 or 07984-2000000 (U.S.Aon ly )
Measure and record each valve gu ide 1.0SERVICE LIMI T: INEX: 5.525 mm (0.2175 in)