6. CYLINDER HEAD/VALVES PEOPLE/PEOPLE S 250 Plastic Hammer Tap the valve stems gently with a plastic hammer to firmly seat the cotters. Be careful not to damage the valves. Cylinder Head Cylinder Dowel Pins CYLINDER HEAD INSTALLATION Install the cam chain guide. Install the dowel pins and a new cylinder head gasket. Cam Chain Guide Cylinder Head Gasket Install the cylinder head and take out the cam chain Cam Chain Valve Rocker Arms Assemble the camshaft holder. First install the intake and exhaust valve rocker arms; then install the rocker arm shafts. · Install the exhaust valve rocker arm shaft on the "EX" side of the camshaft holder and the exhaust rocker arm shaft is shorter. · Clean the intake valve rocker arm shaft off any grease before installation. · Align the cutout on the exhaust valve rocker arm shaft with the bolt of the camshaft holder. Camshaft Holder 6-9