Honda B75K2-B75K3 Outboard Motors Manual., Page 14Get this manual
11Remove four mm bolts and remove the cylinder head cover 12Remove the three mm bolts and remove the oil Pump
13Screw the mm bolt in the valve rocker arm shaft and pull the shaft out of the cylinder head
14Remove the cam pulley keyRemove the cam shaft
15Remove the tappet clearance adjusters from the exhaust valve stems
16Remove the six mrn bolts and remove the cylinder head
I clearance