1995 Johnson/Evinrude Outboards 50 thru 70 3-cylinder Service Manual, Page 109Get this manual
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Troubleshooting Test Equipment
r:::=-J The following equipment is available from various manufacturers to support your ignition and electrical system troubleshootingManufacturer ordering addresses are on the rear inside cover of this manual
[!] Spark testers:
Stevens NoS21, S13C, or S48 Merc-O-Tronic No55-4S or 55-6S
Peak-reading voltmeters: Merc-O- Tronic No781 Stevens NoCD-77 Electro-Specialties LoPRV-1
] Ohmmeter capable of reading low and high ranges:
Merc-O- Tronic No700 VOA Stevens NoAT-101
Component temperature can affect resistance values at Note rate of 10 ohms per FAll resistance values listed in this manual are correct at 70 (21 C)Ignition module load adapter: Stevens NoPL-88 Ignition coil terminal extenders: Stevens NoTS-77 Jumper wire for Amphenol connectorscan be made with: No16 wire, in(200 mm) Pin, OMCPN 511469 Socket, OMC PIN 581656 Shrink tube, OMC PIN 510628