7. CYLINDER HEAD/VALVES AGILITY 50 Cylinder Head Install the cylinder head. CAMSHAFT HOLDER ASSEMBLY Camshaft Holder First assemble the camshaft holder. Install the intake and exhaust valve rocker arms and rocker arm shafts. · When installing the rocker arm shaft, align the shaft front end with the bolt hole of the camshaft holder. Valve Rocker Arm CAMSHAFT INSTALLATION Cam Chain Camshaft Gear Turn the flywheel so that the "T" mark on the flywheel aligns with the index mark on the crankcase. Keep the round hole on the camshaft gear facing up and align the punch marks on the camshaft gear with the cylinder head surface (Position the intake and exhaust cam lobes down.) and install the camshaft onto the cylinder head. Install the cam chain over the camshaft gear. Round Hole Punch Marks Dowel Pins Install the dowel pins. 7-9