2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 55Get this manual

2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 55

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Periodic check and adjustment

NOTE: When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use When using leaded or high-sulfur gaso