1977 Johnson 2HP Outboards Service Manual, Page 35Get this manual
SECT.OM POWER HEAD
TABLE OF
PAGE DESCRIPTION THEORY OF OPERATION MOTOR TEMPERA TURE REMOV AL OF POWER HEAD DISASSEMBL OF POWER HEAD CLEANING, INSPECTION, AND REPAIR REASSEMBL OF POWER HEAD REASSEMBL OF POWER HEAD EXHAUST HOUSING BREAK-IN