1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 126Get this manual

1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 126

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FUEL SYSTEM
After making sure that engine is cold, relieve fuel pressure as follows1 Turn OFF ignition switch2 Disconnect high pressure fuel pump lead wire connector at high pressure fuel pump