2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 135Get this manual

2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 135

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Power unit

NOTE: Face the wide pitch spring end a, identified by the paint mark, toward the valve spring retainer 5 Valve spring compressor 6: YM-04019 Valve attachment 7: YB-06320 3 Comp