2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Manual, PN 5005483, Page 58Get this manual
MAINTENANCE 10-HOUR INSPECTION Install mounting screw through forward bracket hole and secure to powerhead with washer between bracket and powerheadTorque screw to 36 inIbs(4 Nm)
1O-HOUR INSPECTION
IMPORTANT: All Johnson outboard owners are encouraged to return their new engines to an authorized dealer for mechanical checkThis check should be performed after approximately 10 operating hoursThe cost of this check should be figured at local dealer labor rates and paid for by the outboard ownerThe 1O-hour inspection should check: Drain and fill gearcase with recommended lubricantPressure and vacuum test gearcase if signs of water are present Check torque on cylinder head screws and spark plugsRefer to ASSEMBLY in POWERHEAD section for torque sequence for the cylinder head screwsLoosen spark plug 14 turn before applying torque Check all linkage adjustments Check engine mounting hardware for tightness Lubricate all grease fittings with Triple-Guard grease Check entire boat and outboard fuel system for signs of deterioration, damage, or leaks Check all outboard systems for signs of deterioration or problems1