https://docs.google.com/viewer?a=v&q=cache:V01JF4xKiNMJ:www.pirate4x4.com/tech/billavista/MEFI/Merc_manual_v5.pdf+oxygen+equipped+marine+motors&hl=en&gl=us&pid=bl&srcid=ADGEESgFKLvyV9joo1HJmJx0DKWfGwX6IFemckFxy0J-fJpjV25DVjHYPYak7DjmgN2qPUXndZdgs1...
