Yamaha Outboard Motors Factory Service Manual F6 and F8, Page 190Get this manual
MANUAL STARTER DISASSEMBLING THE MANUAL STARTER
1Rotate: Sheave drum 1
Before removing the drive plate and drive spring, turn the sheave drum to make the starter spring inside the sleeve drum freeRotating steps: (1)Turn the sheave drum so that the cutaway on the outer surface of the sheave drum faces toward the starter handle(2)Pass the starter wire through the cutaway a(3)Turn the sheave drum clockwise until the starter spring is free2Remove: Screw Drive plate Drive spring Sheave drum 1