Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 524Get this manual
MANUAL STARTER
4Allow starte rope to pull back into starter until about ft (30.Scm) of rope is leftTie overhand knot at this point to prevent rope from being pulled back into rewind starter5Route starte rope through starter handleTie knot into end of rope and secure in rope retainer6Untie overhand knot from step (4)aStarter RopeStarter HandleRetainer 7Install springs, interlock lever, and cam
IMPORTANT: Interlock lever spring should be installed with squared end of spring seated on interlock leverIMPORTANT: Cam spring ends should be seated on recoil housing and cam bossSpring tension should be noticeable when turning cam clockwise