1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 369Get this manual
MANUAL STARTER
STOPPER INSTALLATION 1If removed, install stopper as shown
a-Stopper b-Spring c-Assemble Spring As Shown ADJUSTING REWIND SPRING TENSION 1Form loop in the ropeplace rope in the cutout and pre-load the spring tension by rotating the drum counterclockwise three turns