2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Manual, PN 5005466, Page 54Get this manual
MAINTENANCE LUBRICATION
Gearcase Lubricant
IMPORTANT: Always check the fill level of the gearcase lubricant prior to removing drainfill plugA tie strap can be used to verify lubricant level
68 Model
Drainfill plugs Drainfill hole Lubricant level hole
DR33675
TYPICAL 1Tie strap
Examine drained lubricant for excessive metal fragments and for any indication of water in oil (cloudy or milky appearance)Lubricant that is black in color with burnt odor indicates worn, overheated oilPressure and vacuum check gearcases with apparent leaksRepair all leaksRefer to ENGINE MAINTENANCE AND INSPEC TION SCHEDULE for service frequency and recommended lubricants 10 hours of operation 50 hours of operation 100 hours of operation Refer to LUBRICANT in GEARCASE section for complete gearcase lubricant filling procedures