1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 114Get this manual
RPM Limiting Power Pack This power pack has built-in RPM limiting deviceCertain models are equipped with RPM limiting power pack to guard against possible powerhead failures caused by improper propeller selection (underpropping), excessive wear on propeller blades, improper motor installation, propeller ventilation, or unusually light boat loadingBe sure to use the correct power pack when servicing the models listed below to control the engine's operating RPM range and protect it from powerhead damage due to overspeedingModel 40, 50 Recreational 40RE, 48 40RS, RVV, RP; 45,55 RPM Limit 6700 6100 5800
General InformationCD II Ignition
Troubleshooting the Ignition System The magneto powered capacitor discharge ignition system is easy to troubleshootRemember these tips to obtain fast, accurate test results: 1Visual InspectionCheck wiring for broken, pinched, or loose leadsConnectors should be securely fastened and free from moisture or water accumulation2Test Equipment ConditionBe sure testers are in working orderMany hours can be wasted by replacing working components needlessly when the problem was in the tester