- 1). Move the outboard to an upright position -- no tilt forward or aft and no tilt side to side -- completely vertical. Unlike some outboards, the crankcase does not drain through the front of the lower unit. This means the motor must not be tilted. Position oil absorbent pads beneath the outboard and place an oil change container with a minimum capacity of six quarts beneath the motor, on top of the pads.
- 2). Remove the drain screw, located on the starboard side, near the top of the exhaust tunnel -- the outboard's "leg" -- with a 3/4-inch hex wrench. Remove the oil filler cap and allow the oil to drain down the side of the engine and into the oil change container.
- 3). Place an oil-absorbent pad under the oil filter. Unscrew the oil filter container, located on the starboard side of the powerhead, directly beneath the intake manifold. Keep the container upright and dump any oil in the container into the oil change container. Fit the new filter cartridge into the container and screw the container back on to the powerhead.
- 4). Install a new gasket on the drain screw, while the oil drains. Apply a light coat of oil to the gasket. When the last of the oil drains, replace the drain screw and tighten it to 20.7 foot-pounds with a torque wrench.
- 5). Add 4.3 liters, or 4.55 quarts of 10W 40 oil through the oil filler on the top rear of the motor. Don't overfill the motor, but that 4.55 quarts does not include the oil held in the filter -- plan on 5 quarts. Replace the oil filler plug, tightening it by hand only. Start the motor, and wait for the low oil pressure light to go out. Once the oil pressure light is out, check around the motor for oil leaks.
(See reference 1, p.66) - 6). Turn the motor off and wait three minutes, to allow the oil to settle in the crankcase. Check the oil level with the dipstick, located on the starboard side of the motor, at the bottom of the powerhead -- remove the dipstick, wipe it clean, reinsert it, remove it and inspect it. The optimum oil level lies between the top and bottom marks on the sticks. If all is in order, wash the exterior of the motor with mild detergent and water. Dispose of the used oil properly.
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