6. 4-STROKE: CYLINDER HEAD/VALVES VITALITY 50 Cylinder Head Cover CYLINDER HEAD COVER REMOVAL Remove the rear body cover. ( 13-6) Disconnect the crankcase breather tube from the cylinder head cover. ( 5-6) Disconnect the secondary air apply hose from the cylinder head cover. ( 5-6) Remove the four bolts and two nuts from the cylinder head cover, then remove the cylinder head cover. Nuts Bolts INSTALLATION Install a new cylinder head cover O-ring and gasket. Install the cylinder head cover. Install and tighten the cylinder head cover bolts and nuts. Torque: 0.81.2kgf-m Be sure to install the O-ring into the groove properly. O-ring Gasket Tensioner Cap CAMSHAFT/CAMSHAFT HOLDER REMOVAL Remove the cylinder head cover. (Refer to the "CYLINDER HEAD COVER REMOVAL") Remove the cam chain tensioner cap/spring. Remove two bolts and cam chain tensioner. Bolts 6-4