2009 Yamaha F40 Outboard Service Manual, Page 138Get this manual

2009 Yamaha F40 Outboard Service Manual, Page 138

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Fuel system
Fuel pump assembly 6-11
Removing the fuel pump assembly 6-12 Checking the fuel pump assembly 6-12 Disassembling the fuel pump assembly 6-12 Checking the diaphragm and valve 6-1