1980 Johnson 4HP Service Manual, Page 9Get this manual
SECTION GENERAL SERVICE INFORMATION
TABLE OF CONTENTS
PAGE GOOD SERVICE 2-1 SPECIFICATIONS 2-2 CLEARANCE 2-3 TORQUE 2-3 LUBRICATION 2-4 GEARCASE 2-4 LUBRICATION POINTS 2-5 ENGINE FUEL AND LUBRICANT 2-6 BREAK-IN 2-6 TUNE-UP PROCEDURE 2-7 TROUBLE 2-7 WEATHER AND ENGINE PERFORMANCE 2-9 SUBMERGED MOTORS 2-10
GOOD SERVICE PRACTICE
When repairing component, the most reliabIe way to assure good job is to do complete overhaul that component, rather than just placing the bad partWear not readily apparent other parts could cause malfunction soon after the repair jobRepair kits and overhaul kits contain all the parts needed to assure plete repair, to eliminate guesswork, and to save timeRepair time also minimized the use of special toolsspecial tools speed repair work so it done within flat rate time In some cases the use of substitute tools actually damage the part