2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 44Get this manual
MAINTENANCE ENGINE MAINTENANCE AND INSPECTION SCHEDULE Engine Maintenance and Inspection Schedule Frequency
Description Cam follower, inspect and lubricate Thermostat, inspect and verify operation Spark advance linkage, lubricate Electric starter, lubricate Electrical and ignition wires and connections, inspect Gearcase lubricant replace Powerhead synchronization and linkage, inspect L) Gearcase lubricant, inspect fill level and condition of lube Propeller shaft splines, inspect and lubricate Spark plugs, replace Decarbonize Driveshaft splines, inspect and lubricate Water pump, inspect and replace (1) Also recommended at 1a-Hour Inspection (2) Emission-related component