2000-2003 Honda TRX350 Rancher factory service manual, Page 117Get this manual
CYLINDER HEADVALVE ROCKER ARM HOLDER Apply molybdenum oil solution to the rocker arm and shaft sliding surfacesSet the rocker arms into the rocker arm holder and install the rocker arm shaft through the holder and armsTurn the rocker arm shaft and align the bolt holes in the shaft and holder, and install the retaining boltAlign ROCKER ARMS BOLT
CYLINDER HEAD INSTALLATION
CYLINDER HEAD AND ROCKER ARM HOLDER
Clean the mating surface of the cylinder and headInstall the following: two dowel pins new gasket