69J3D11 9-301234567894. To perform the test again click the Execute button or press the Enter key on your keyboard. Toperform a different test, click the Return [ESC] button or press the Esc key on your keyboard toreturn to the window where a different test can be selected. (Fig. 35)Fig. 35Operating the electric fuel feed pump:Operate the fuel feed pump (low-pressure pump) and listen to its operating sound. The operatingtime is ten seconds.NOTE:Carry out this test after priming the engine. If the fuel pump is not supplied with fuel when it is oper-ated, the pump may be burned.Yamaha Diagnostic System
