2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 323Get this manual
Yamaha Diagnostic System 4To perform the test again click the Execute button or press the Enter key on your keyboardTo perform different test, click the Return [ESC] button or press the Esc key on your keyboard to return to the window where different test can be selected(Fig35)
Fig35 Operating the electric fuel feed pump: Operate the fuel feed pump (low-pressure pump) and listen to its operating soundThe operating time is ten secondsNOTE: Carry out this test after priming the engineIf the fuel pump is not supplied with fuel when it is operated, the pump may be burned