1980 Johnson 4HP Service Manual, Page 64Get this manual
SECTION LOWER UNIT
TABLE OF CONTENTS
PAGE TROUBLE ISOLATION DESCRIPTION REMOVAL OF GEARCASE AND EXHAUST HOUSING REMOVAL OF GEARCASE WATER PUMP SERVICE DISASSEMBL OF GEARCASE CLEANINGINSPECTIONAND REPAIR REASSEMBLY OF GEARCASE REASSEMBLY OF GEARCASE EXHAUST HOUSING LOWER UNIT ADJUSTMENTS 6-2 6-3 6-3 6-4 6-4 6-7 6-8 6-9 6-10 6-11
SPECIAL TOOLS REQUIRED
Seal Remover Part Number 377565