Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 224Get this manual

Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 224

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LOWER CASING CAP ASS'Y, REVERSE GEAR AND PROPELLER SHAFT E
Insert flat head screwdriver into the slit between the sealing surfaces of the Lower case, and pry them slightly open
Reverse gea