7. CYLINDER HEAD/VALVES AGILITY 125 Cylinder Head Cover CAMSHAFT REMOVAL Remove the center cover. Remove the four cylinder head cover bolts to remove the cylinder head cover. Remove the two nuts attaching the secondary air inlet tube. Remove the cam chain tensioner cap screw O-ring and the O-ring. Screw Turn the cam chain tensioner screw clockwise to tighten it. Tensioner Screw Turn the flywheel counterclockwise so that Camshaft Gear the "T" mark on the flywheel aligns with the index mark on the crankcase to bring the round hole on the camshaft gear facing up to the top dead center on the compression stroke. Round Hole Punch Marks 7-3