1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 241Get this manual
Battery Specifications
rn For each motor, provide one battery that is:
12-volt, heavy-duty, designated "marine" Ventedrefillable or maintenance-free V4Rated 360 CCA (465 MCA) with 90 minutes reserve (50 amp-hrs) V6Rated 500 CCA (620 MCA) with 90 minutes reserve (60 amp-hrs) Deep-cycle batteries are suitable IF they meet or exceed the inimum CCA requirementsInstalling and Connecting Batteries and Cables Place the battery so it is easily accessible for frequent checking and recharging and in hold-down system Install positive cable to positive post and negative cable to negative postWhen connecting to the battery, begin by placing largesurface star washer over the threaded battery post, then stack cables from accessories, then cables from the motorFinish the connection with hex nut, tightened firmly with wrenchINotel DO NOT use wing nuts on battery connections even ifthey were supplied with the batteryWing nuts can loosen and cause errant warning horn signals or electrical system damage