2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 82Get this manual

2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 82

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Fuel system
Pressurevacuum tester: YB-35956-A 2 Apply the pressure to each check valve portReplace if necessaryNOTE: Make sure no air comes out of the opposite side of the check valve
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