Super easy to drain. pull 2 hoses on the exhaust manifolds, drain. Pull the engine block plug starboard side, clean hole in block to remove any sediment etc, drain. Remove knock sensor on block port side, remove plug, clean hole for sediment, drain. Pull hoses on both sides of water pump, drain. Lower hose from the starboard side that connected to the pump housing, drain. Pull plugs in hull 1 center, 1 rear by prop) depending on model. Drain bilge as you drive on down the road. Easy, no mess, no work when you get home.