Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 250Get this manual
Adjusting Spring Tension NOTE: Have the pinion installed before adjusting spring tensionThis will prevent the drum from disengaging off the spiral spring1Locate the end of the starter rope and pull it out of the drumGuide it around the pulley and tie knot at the end of the rope
4Install cover on the rewind housing
aCoverLock WasherBolt
Plate Assembly
1Assemble the damper and cover onto the plate
aPulleyPlace Knot in End of Rope