Daelim S4 50cc Service Manual - Mojo

CYLINDER HEAD / VALVESBEARING● Manually turn the shaft bearing outer race, andcheck if it turns smoothly.● Check damage or worn of bearing, if yes, replace it.● Install in the reverse order of removal.CAUTION•Be sure to check the valve clearance.CYLINDER HEADCYLINDER HEADREMOVAL● Remove the engine(6-2).● Remove the shroud comp(upper, under hood).● Remove the cylinder head cover.● Remove the cam shaft holder.● Remove the cam shaft.● Remove the S.A.I pipe.● Remove the cylinder head.● Remove the cylinder head gasket, dowel pin andcam chain guide from the cylinder.CYLINDER HEAD GASKETSPARK PLUGREMOVAL● Remove the spark plug from the cylinder head.