1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 10Get this manual
Introduction This manual covers service information on 56 (128cc), 89.9 (211 cc), and 9.915 (305cc), four-stroke modelsUse this manual together with the proper Parts Catalog for part numbers and 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 forQ1C engines 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 overhaulsuch as major service or rebuilding unitIt is important to you as the service person to determine, before disassembly, just what the trouble is and how to correct it quickly, with minimum expense to the ownerWhen repairing component, the most reliable way to ensure good job is to do complete overhaul on that component, rather than just replacing the bad partWear not readily apparent on other parts could cause malfunction soon after the repair jobRepair kits and overhaul kits contain all the parts needed to ensure complete repair, to eliminate guesswork, and to save time