1981 Johnson/Evinrude 4HP Outboards Service Manual, Page 9Get this manual
SECTION GENERAL SERVICE INFORMATION
TABLE OF CONTENTS
PAGE .300D SERVICE PRACTICE SPECIFICATIONS CLEARANCE CHART TORQUE CHART LUBRICATION CHART GEARCASE LUBRICATION POINTS ENGINE FUEL AND LUBRICANT BREAK-IN TUNE-UP PROCEDURE TROUBLE CHECK CHART WEATHER AND ENGINE PERFORMANCE SUBMERGED MOTORS HELI-COIL INSERTS AND INSTALLERS 2-1 2-2 2-3 2-3 2-4 2-4 2-5 2-6 2-6 2-7 2-8 2-9 2-10 2-10
GOOD SERVICE PRACTICE
When repairing component, the most reliable way to assure 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 assure complete repair, to eliminate guesswork, and to save timeRepair time can also be minimized by the use of special toolsOMC special tools speed repair work so it can be done within flat rate timeIn some cases the use of substitute tools can actually damage the part