2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 88Get this manual

2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 88

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Fuel system
Engine idle speed: 1,050 50 rmin 6 After adjusting the engine idle speed, rev the engine few times and let it idle to check the stability of the engine

S6AG4290