Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 136Get this manual
POWR RECOIL STARTER
Spiral spring installation 1Install: 9Spiral spring to Sheave drumWhen installing the spiral spring in the sheave drum, take care to ensure that the spiral spring does not pop out and compress it by winding one turn from outsideNOTE:
9Fix the spiral spring end to the drum
hook, hold the spiral spring and then remove the spring holder with flat head screw driver9Align the slit with the rope guide and pass the rope through the slitLift up the rope and turn it counterclockwise for turns by holding the sheave drumWind the rope clockwise by removing it from the slit and rotating the sheave drum