Mercury MERCRUISER - Sterndrive Models

NOTE: The same belt tensioner is used with or without a seawater pump, but is used in a different position.
With a seawater pump
a - Hole used with seawater pump
b - Hole used without seawater pump
Without a seawater pump
a - Hole not used
Sterndrive Models
With a seawater pump
a - Alternator pulley
b - Water circulating pump pulley
c - Crankshaft pulley
d - Seawater pump pulley
e - Belt tensioner
f - Power steering pump pulley
a
57442
b
a
57443
a
b
c
d
e
f
55041
Charging System
Page 4C-8 © 2016 Mercury Marine 90-8M0099748 eng DECEMBER 2015