2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 321Get this manual
Yamaha Diagnostic System Operating the electric fuel pump: voltage is applied to the electric fuel pump, the electric fuel pump is operated, and then the fuel system is checkedThe electric fuel pump is operated for ten seconds
WARNING
Do not perform the test with the injector removed from the cylinder head or with any fuel system parts removedHigh-pressure fuel may spurt out When performing this operation, keep all sparks, flames, or other sources of ignition away from the testing areaGasoline is highly flammableNOTE: Make sure that there is fuel in fuel tank, otherwise an error will occur and the test cannot be performed1Select the test to be performed, and then click the Select button or press the Enter key on your keyboard(Fig33)