2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 309Get this manual
CYLINDER HEADVALVE Remove the camshaft holders and measure the compressed plastigauge at its widest point on the camshaft to determine the oil clearanceSERVICE LIMIT: 0.09 mm (0.004 in) If the oil clearance exceeds the service limit, replace the camshaft and recheck the oil clearanceReplace the cylinder head and camshaft holders as set if the oil clearance still exceeds the service limit
CYLINDER HEAD REMOVAL
Remove the following: camshafts (page 10-8) throttle body (page 8-94) exhaust manifold (page 13-11) Remove the following from the cylinder head: engine coolant temperature (ECT) sensor 2P connector camshaft position sensor 2P connector bolt and harness stay bolt and ground cable Remove the following when the cylinder head is ready to be disassembled: bolt and water hose joint ECT sensor three bolts, washers and camshaft position sensor assembly HOSE JOINT ECT SENSOR