1985-1987 Honda TRX 250 Fourtrax 250 Service Manual, Page 68Get this manual
CYLINDER HEADV ALVES
CYLINDER HEAD ASSEMBLY
Install the valve spring seat and new stem seal
111 VALVE SPRINGS
lubricate the valve stems with molybdenum disulfide grease and insert the valve into the valve guide To avoid damage 10 the stem seal, turn the valve slowly when insertingInstall the valve springs with the tightly wound coils facing the cylinder head
(51 RETAINER
SPRING SEAT
COTTERS
Install the valve spring retainers and install the valve cottersTOOL Valve spring compressor