2006 SD Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 225Get this manual
MANUAL STARTER NEUTRAL START INTERLOCK (NSI)
NEUTRAL START INTERLOCK (NSI)
InstallationAdjustment
Install the NSI cable in the recoil starter, the clutch notch lever, the stopper arm, and the cable bracket (stator base)Turn the adjustment nut to align the slot on the stopper arm with the punch mark on the recoil starter casePull the recoil starter and make sure that the starter does not work when the shift lever is in FORWARD or REVERSE positionTighten the lock nuts
WARNING
If the NSI cable is removed or not adjusted properly, there is high risk of being thrown overboard if motor starts in gearShift into NEUTRAL position