1980 Johnson 2HP Service Manual, Page 42Get this manual
5ECTION LOWER UNIT
PAGE DESCRIPTION REMOV AL OF GEARCASE 6-2 6-2 6-2 6-3 6-4 6-5 6-5 6-5
WATER PUMP SERVICE CLEANING, INSPECTIONAND REPAIR REASSEMBLY OF GEARCASE REASSEMBLY AND INSTALLATION OF EXHAUST HOUSING INSTALLATION OF GEARCASE LOWER UNIT ADJUSTMENTS
SPECIAL TOOLS REQUIRED Seal Remover Part Number 377565