1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 131Get this manual
CYLINDER HEAD'ICYLINDERPISTON
CYLINDER HEAl DISASSEM'BLV D
Markai' parts doring disassemOly so they can be
placed back in their
VALVE SPRI NG COMPRESSQiR
Removehe valve spring cotte,rs, retai ners, spri ngs and alve u:sing the special tOo as shownTOOL:
onginalocaions
Valve spring compressor
CAUTION:
To prevent loss of tension, do not compr,f}S$ the
valve springs mOre than .n ecessa.r yto remove the cottersRemovethe valve stem seals and va lve spring seatsSTEM SEAL OUTt:R SPR ING
COlTERS
SPRING SEAT
IINNER SPRING