Suzuki outboard motors 1988 2003 repair manual., Page 30Get this manual
3-14 MAINTENANCE THE SHORTER THE PATHTHE FASTER THE HEAT IS DISSIPATED AN0 THE COOLERTHE LONGER THE PATHTHE SLOWER THE HEAT IS DISSIPATED AND THE HOTTER THE PLUG
3Using compressed air (and safety glasses), blow debris from the spark plug well to assure that no harmful contaminants are allowed to enter the combustion chamber when the spark plug is removedIf compressed air is not available, use rag or brush to clean the areaCompressed air is available from both an air compressor or from compressed air in cans available at photography stores Remove the spark plugs when the engine is cold, if possible, to prevent damage to the threadsIf plug removal is difficult, apply few drops of penetrating oil to the area around the base of the plug, and allow it few minutes to workHEAVY LOADS, HIGH SPEEDS SHOUT Insulator Tip Fast Heal Tiansier LOWER Heal Range COLD PLUG
SHORT TRIP STOP-AND-GO LONG Insulator Tip Slow Heal Transfer HIGHER Heal Range MOT PLUG
TCCS1046
4Using spark plug socket that is equipped with rubber insert to properly hold the plug, turn the spark plug counterclockwise to loosen and remove the spark plug from the boreFig37 Spark Plug heat range
Avoid the use of flexible extension on the socketUse of flexible extension may allow shear force to be applied to the plugA shear force could break the plug off in the cylinder head, leading to costly and frustrating repairsIn addition, be sure to support the ratchet with your other hand-this will also help prevent the socket from damaaina the