1987 Honda Fourtrax TRX 250X Service Manual, Page 72Get this manual
CYLINDER HEADVALVES
CYLINDER HEAD ASSEMBLY
Install the valve spring seat and new stem seal
121 VALVE SPRINGS (3) COTTERS
lubricate each valva stem with molybdenum disulfide grease and insert the valve into the valve guideTo avoid damage to the stem seal, turn the valve slowly hen in sertingInstall the valve springs with the tightly wound coils facing the cylinder head
(6) SPRING SEAT
SEAL (4) RETAINER
Install the valve spring retainers and the valve coUers
TOOL: alve spring compressor