2000-2003 Honda TRX350 Rancher factory service manual, Page 116Get this manual
CYLINDER HEADVALVE CYLINDER HEAD Blow through the oil passage (stud bolt hole) in the cylinder head with compressed airInstall the valve spring seatsInstall new stem sealsLubricate the valve stem sliding surface with molybdenum oil solutionInsert the valve into the guide while turning it slowly to avoid damage to the stem sealVALVE STEM SEAL SPRINGS
SPRING SEAT RETAINER
Install the inner and outer valve springs with the tightly wound coils facing the combustion chamberOUTER: Install the spring retainerINNER: