1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 10Get this manual
Introduction This manual covers service information on 56.1 cu.in (913 cmmodelsSome of the information might apply to previous modelsUse this manual together with the proper Parts Catalog for part numbers and for exploded views which are valuable aid to serviceThis manual presents the English values and dimensions first and the metric values and dimensions second, inside parentheses)Good Service Practice
Service required for OMCengines is generally one ofthree kinds:
Normal care and maintenancewhich includes putting new engine into operation, storing engines, lubrication, and care under special operating conditions such as salt water and cold weatherThis includes engine servicing procedures to keep the engine in prime operating condition Operating malfunctionsdue to improper engine mounting, propeller condition or size, boat condition, or the malfunction of some part of the engine Complete disassembly and overhaul such as major service or rebuilding unit