2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 201Get this manual
GEARCASE LUBRICANT
LUBRICANT
Draining
Internal gearcase inspection is recommended when lubricant is contaminated or shows signs of failure&
WARNING
Filling
Secure the gearcase in vertical positionRemove the lubricant level plug and the lubricant drainfill plugSlowly fill the gearcase with HPF PRO gearcase lube through the drainfill hole until it appears at the oil level holeFilling the gearcase too quickly can cause air pockets and the gearcase may not fill completelyIf using pressurized lubricant tank, use fitting adapter, PIN 772269Clean plug seal area and install the lubricant level plug and new seal, then the lubricant drainfill plug and new sealTighten them to torque of 60 to 84 inIbs(7 to 9.5 Nm)
Gearcase lubricant may be under pressure andor hot if plug is removed from recently operated outboardTake precaution to avoid injuryRemove the lubricant level plug, then the lubricant drainfill plug, and drain the lube from the gearcase into containerInspect the lube and the plugs for metal chips