8. CYLINDER HEAD/VALVES UXV 500 Cam chain tensioner Check the one-way cam operation (tensioner) Unsmooth operation Replace. INSTALLATION Turn the crankshaft clockwise, align the "T" mark on the flywheel with the index mark on the right crankcase cover (refer to the "VALVE CLEARANCE" in chapter 3). Apply molybdenum disulfide oil to the camshaft journals of the camshaft holder. Apply molybdenum disulfide oil to the camshaft journals of the cylinder head. 8-11