2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 52Get this manual
MAINTENANCE LUBRICATION Start the engine and allow it to run for several minutes at idle speedTurn off engine and wait for approximately two minutesRemove the oil dipstick and wipe it cleanReinsert dipstick fully into dipstick tube, then remove to check oil level
Engine Oil Filter
IMPORTANT: When replacing oil filter, change engine oil at the same timeRemove side coversRefer to side Removal and Installation on p180Remove three screws securing oil filter cap Remove the oil filtercover