2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 219Get this manual
GEARCASE ASSEMBLY then install the pinion nut on the other endTighten the nut to torque of 13 ftIbs(18 Nm)clutch dog shifter pin through the clutch dog shifter and the push pin
Driveshaft holder, PIN 345834
1Return spring
234Push pin Push rod Dog pin
Propeller Shaft Assembly
Check the return spring by measuring its free lengthIf free length is not within specifications, replace the return springReturn Spring Free Length
Install new clutch dog shifter pin springMake sure that the spring fits snugly into the groove on the clutch dog shifter