1999 "EE" Evinrude 70HP 4-Stroke Service Repair Manual, P/N 787023, Page 49Get this manual

1999 "EE" Evinrude 70HP 4-Stroke Service Repair Manual, P/N 787023, Page 49

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Oil Pressure Switch
Basic ignition timing is determined based on two main parameters: manifold absolute pressure (MAP sensor) in the intake manifold, and engine speed (CKP sensors)Final Ignition