1999 "EE" Evinrude 70HP 4-Stroke Service Manual, P/N 787023, Page 40Get this manual
Introduction OMC's 4-stroke EFI engine is based on proven automotive design and technologyIt's an in-line cylinder, valve, Single Overhead Cam (SOHC), 79.2 cuin(1298 cc) engineIt meets all EPA emission standards, and combines state-ofthe-art electronic engine management systems with number of other important features: High alternator output at low RPM to maintain battery charging and sustain marine accessories at low engine speeds ECU-controlled sequential electronic fuel injection for superior performance and fuel economy ECU-controlled transistorized ignition featuring dual-firing, "waste spark" ignition coils Fully compatible with OMC's System Check Engine Monitoring System self-diagnostic system that detects engine problems to warn the operator and store Service Codes pressure and thermostatically controlled cooling system having three independent powerhead circuits tuned air intake system with ECU-controlled idle RPM Fuses and relays to safeguard engine operating systems