1998-2004 Honda Foreman 450 factory service manual, Page 141Get this manual
CYLINDER HEADCYLINDERPISTON
CYLINDER HEAD DISASSEMBLY
Mark all parts during disassembly so they can be placed back in their original locations
VALVE SPRING COMPRESSOR
Remove the valve spring cotters, retainers, springs and valve using the special tool as shown
TOOL: Valve spring compressor CAUTION:
07757 -0010000
To prevent loss of tension, do not compressthe valve springs more than necessary to remove the cotters
Remove the valve stem seals and valve spring seatsSTEM SEAL"
OUTER SPRING x, _COTTERS