1983 Yamaha 30EN Outboards Service Manual, Page 138Get this manual
Removing the sheave drum and starter rope 1Turn the sheave drum so that the cut on the outer surface of the sheave drum faces toward the starter handle2Pass the starter rope through the cut WARNING:
When removing the sheave drum, be sure to set the spring free and remove the sheave retainer boltOtherwise, the starter spring may jump out, endangering another person
Remove the handle from the rope and pull the rope out of the guide while holding the sheave4Turn the sheave drum clockwise until the starter spring is free35 Remove the nut and bolt at the center of the starter case, and remove the sheave drum from the starter case When removing the sheave drum, hold down the starter spring with screwdriver inserted into the hole in the sheave drum so that the starter spring will not spring out