1987-2009 Yamaha ATV YFM350X Warrior Raptor Service Manual, Page 127Get this manual
ENGINE ASSEMBLY AND ADJUSTMENT
ENGINE ASSEMBLY AND ADJUSTMENT
CAMSHAFTROCKER ARMSVALVES 1Deburr: -Valve stem end Use an oil stone to smooth the stem end
2Apply:High-Quality molybdenum disulfide motor oil (to the valve stem and oil seal 3Install: -Valve G) -Spring seat -on seal -Valve spring (inner) -Valve spring (outer)Spring retainerValve cotter Q) NOTE: All valve springs must be installed with the larger pitch upward as shown