Mercury MerCruiser Product Applications Manual page 24

5.7 LITER (350 CID) AND 6.2 LITER (377 CID) MODELS
A fitting is installed at the factory into the proper port on the port exhaust elbow.
SCORPION MODELS
A brass plug is installed at the factory into the proper port on the port exhaust elbow.
In-line models
IMPORTANT: If not using a shaft log seal, this fitting must remain plugged.
90-863758060 AUGUST 2006
Propeller shaft log seal connection — 5.7L and 6.2L models
a - Shaft log seal fitting
a
a
a - Brass plug
a
a
a
11526
V-Drive models
Transmission and Drive Line
7641
11525
Page 2A-5