Serpentine Drive Belt - Mercury 350 Mag MPI Manual

CC823
CC911

Serpentine Drive Belt

Avoid injury caused by hands or clothing being caught between belts and pulleys. Make sure engine
is shut off and ignition key is removed before inspecting belts.
Belt must be periodically inspected for condition and tension.
NOTE: Belt deflection is to be measured on the belt at the location that has the longest distance between two
pulleys. Normally this location is between the seawater and belt adjustment idler pulleys.
1
Check the tension of the serpentine drive belt. If there is more than 1/4 in. (0.6 mm) deflection, see your
Authorized MerCruiser Dealer to have the tension adjusted.
If the drive belt needs replacement or adjustment, see your Authorized MerCruiser Dealer.
A
Idler Pulley
B
Circulating Pump Pulley
C
Crankshaft Pulley
D
Alternator Pulley
E
Seawater Pump Pulley
A
B
E
WARNING
A
C
D
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