6. CYLINDER HEAD/VALVES PEOPLE/PEOPLE S 250 CAMSHAFT HOLDER DISASSEMBLY Valve Rocker Arms Remove the valve rocker arms. Rocker Arm Shafts Camshaft Holder CAMSHAFT HOLDER INSPECTION Inspect the camshaft holder, valve rocker arms and rocker arm shafts for wear or damage. If the valve rocker arm contact surface is worn, check each cam lobe for wear or damage. Rocker Arm Shafts Measure the I.D. of each valve rocker arm. Service Limits: IN: 10.10mm replace if over EX: 10.10mm replace if over Measure each rocker arm shaft O.D. Service Limits: IN: 9.90mm replace if below EX: 9.90mm replace if below CYLINDER HEAD REMOVAL Bolt First drain the coolant from the radiator and water jacket, then remove the thermostat water hose. Remove the camshaft. ( 6-4) Remove the carburetor and intake manifold. Remove the bolt attaching the thermostat housing and the thermostat housing. Remove the cylinder head. Thermostat 6-6