2009 Yamaha F40 Outboard Service Manual, Page 316Get this manual
Exhaust manifold and oil pan
Disassembling the oil pan and exhaust manifold
1Remove the muffler a, the gaskets b, and the plate c
4Remove the oil strainer k, the relief valve l, and the gaskets and n
2Remove the rubber seal d, the exhaust manifold e, and the gasket f