2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 79Get this manual
MAINTENANCE PRE-SEASON SERVICE
PRE-SEASON SERVICE
If outboard was removed from boat for storage, make certain it has been reinstalled with factory specified hardwareRefer to INSTALLATION AND PREDELIVERY section for proper set-up procedures
SUBMERGED ENGINES
Once an outboard has been submerged in fresh or salt water, it must be serviced within three (3) hours of recoveryImmediate service can minimize the corrosive affect that air has on the polished surfaces of the crankshaft, connecting rods, and internal powerhead bearings
Gearcase Lubricant
Check the lubricant level Inspect gearcase for leaksIf leak is apparent, pressure and vacuum test gearcase Repair gearcase as needed
IMPORTANT: If outboard cannot be started or serviced immediately, it should be resubmerged in fresh water to avoid exposure to the atmosphere
8attery(s)
Replace batteries that cannot be properly charged
Engine Dropped Overboard (Not Running)
Disconnect battery cables at the battery (electric models)Remove outboard cover(s) and rinse powerhead with clean waterRemove spark plug leads and spark plugsPlace outboard in horizontal position (cylinder heads down)Slowly rotate flywheel in clockwise rotation to work all water out of powerhead