2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 307Get this manual
CYLINDER HEADVALVE Remove the valve lifters and shims Be careful not to damage the valve lifter bore Shims may stick to the inside of the valve lifterDo not allow the shims to fall into the crankcase Mark all valve lifters and shims to ensure correct reassembly in their original locations The valve lifter can be easily removed with valve lapping tool or magnet The shims can be easily removed with tweezers or magnetVALVE LIFTERS SHIMS
INSPECTION
CAMSHAFT Check the cam and journal surfaces of the camshaft for scoring, scratches or evidence of insufficient lubricationCheck the oil holes in the camshaft for clogsMeasure the camshaft runout using dial indicatorSERVICE LIMIT: 0.05 mm (0.002 in)