6. CYLINDER HEAD/VALVES GRAND DINK 125/150 Cam Chain Remove the camshaft gear from the cam chain to remove the camshaft. Camshaft Gear CAMSHAFT INSPECTION Check each cam lobe for wear or damage. Measure the cam lobe height. Service Limits: SH30DA IN: 30.75mm replace if below SH25DA EX:30.26mm replace if below Camshaft Bearings Check each camshaft bearing for play or damage. Replace the camshaft assembly with a new one if the bearings are noisy or have excessive play. Valve Rocker Arms CAMSHAFT HOLDER DISASSEMBLY Take out the valve rocker arm shafts using a 6mm bolt. Remove the valve rocker arms. 6mm Bolt Rocker Arm Shafts 6-5