2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 50Get this manual

2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 50

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Fuel system 6 Apply the specified positive pressure and check that there is no air leakageDisassemble the fuel pump if necessary

Pressurevacuum tester: YB-35956-A Specified pressure: 50 k