1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 93Get this manual
Troubleshooting Test Equipment
INote 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
Merc-O- Tranic No781 Stevens NoCD-77 Electro-Specialties NoPRV-1 Merc-O- Tranic No700 VOA Stevens NoAT-101
rn Peak-reading voltmeters:
rn Ohmmeter capable of reading low and high ranges: