1992 Johnson Evinrude "EN" Electric Outboards Service Manual, P/N 508140, Page 85Get this manual
General Safety Warnings
When replacement parts are required, use genuine OMC parts or parts with equivalent characteristics including type, strength and materialFailure to do so may result in product malfunction and possible injury to the operator andor passengersTo prevent possible eye injury always wear SAFETY GLASSES while servicing the unitAlways read and follow safety related precautions found on containers of hazardous substances like parts cleaners, primers, sealants, and sealant removersTo prevent possible damage, make sure all wiring is properly routed and clamped in its original position away from rotating motor componentsDo not charge battery in the boat with an external chargerFumes vented during charging can lead to an explosionBefore working on or removing any electrical parts, disconnect the battery cables from battery to prevent electrical sparks