2009 Yamaha F40 Outboard Service Manual, Page 211Get this manual
Power unit 4Remove the cylinder head bolts and d, and then remove the cylinder head eNOTICE: Do not scratch or damage the mating surfaces of the cylinder head and cylinder block
Removing the cylinder head
1Remove the oil pump assembly a
2Remove the cylinder head cover b
Installing the cylinder head
1Install new gasket a, the cylinder head b, and the cylinder head bolts and d