1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 132Get this manual
CYLINDER HIE ADCVUND'ERiPISTON VALVEVALV, GUIDE E
Inspect each valve for bandingburn ing Or abnorma stem wearCheck valve movement in the guide, measu re and record each valve Slem 0.0
SERVICE LIMITS: 5.45 mm (0.215, inl
5.43 mm (0 .214
Ream the guides to Irem ove ny carbon .deposits before checking clealf1;lnces Insert the ,r'e ame( from the rocker a'rm side of he head .a nd always wtat(! rine reamer clockwise
VALVE GU,IOE REAMER
TOOt: Valve guide reamer,5.5mm
07984-'2000001 or
07984200000D ontv)
Measure a,nd record each valve guide I.D
SERVICE LlMliI': INEX: 5525mm jO.2i175 Inl'