Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 280Get this manual
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LOWR EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step 10 11 ProcedurePart name LOWER UNIT REMOVAL Cotter pin Propeller nut Spacer Propeller Collar Locknut Adjusting nut Bolt Low