Mercury MerCruiser 8.1S User Manual

GASOLINE ENGINE 8.1 S INBOARD MODELS
Page 5 of 58
On Velvet Drive 72C Transmissions the gear ratio (in forward gear) is marked on
transmission identification plate. Transmission output shaft rotation and propeller rotation
required (in forward gear) is indicated on a decal on transmission case. Transmission
rotation is described when viewed from the rear of transmission.
22556
a
b
Typical Transmission Shown
a-Transmission Identification Plate
b-Output Flange Rotation Decal
ZF / Hurth Transmissions
On the Hurth 8° Down-Angle and V-Drive Transmissions the transmission identification
plate indicates gear ratio, serial number and model.
73587
a
Typical Hurth Down-Angle Transmission Shown (V-Drive Identification Plate
Similarly Located)
a-Transmission Identification Plate

Mercury MerCruiser 8.1S Specifications

General

Brand	Mercury
Model	MerCruiser 8.1S
Category	Engine
Language	English